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Q2013437 Inglês
Balloons

Have you ever wondered what keeps a hot air balloon flying? The same principle that keeps food frozen in the open chest freezers at the grocery store allows hot air balloons to fly. It’s a very basic principle: Hot air rises and cold air falls. So while the super-cooled air in the grocery store freezer settles down around the food, the hot air in a hot air balloon pushes up, keeping the balloon floating above the ground. In order to understand more about how this principle works in hot air balloons, it helps to know more about hot air balloons themselves.

A hot air balloon has three major parts: the basket, the burner, and the envelope. The basket is where passengers ride. The basket is usually made of wicker. This ensures that it will be comfortable and add little extra weight. The burner is positioned above the passenger’s heads and produces a huge flame to heat the air inside the envelope. The envelope is the colorful fabric balloon that holds the hot air. When the air inside the envelope is heated, the balloon rises.

The pilot can control the up-and-down movements of the hot air balloon by regulating the heat in the envelope. To ascend, the pilot heats the air in the envelope. When the pilot is ready to land, the air in the balloon is allowed to cool and the balloon becomes heavier than air. This makes the balloon descend.

Before the balloon is launched, the pilot knows which way the wind is blowing. This means that she has a general idea........................... which way the balloon will go. But, sometimes the pilot can actually control the direction that the balloon flies while.......................................... flight. This is because the air above the ground is sectioned .........................................layers in which the direction of the wind may be different. So even though the pilot can’t steer the balloon, she can fly or higher or lower into a different layer ......................................air. Some days the difference between the direction of the wind between layers is negligible. But other days the difference is so strong that it can actually push the balloon in a completely different direction!


Using the text as a guide, identify the alternatives below as ( T ) true or ( F ) false.
( ) Air goes up and out the top of a chimney when you light a fire.
( ) Cool air collects about the ceiling when you open a refrigerator.
( ) Smoke from a candle rises after you blow out the flame.
( ) Cold air coming from an air conditioning vent settles about the floor.

Choose the alternative which presents the correct sequence, from top to bottom.
Alternativas
Q2013436 Inglês
Balloons

Have you ever wondered what keeps a hot air balloon flying? The same principle that keeps food frozen in the open chest freezers at the grocery store allows hot air balloons to fly. It’s a very basic principle: Hot air rises and cold air falls. So while the super-cooled air in the grocery store freezer settles down around the food, the hot air in a hot air balloon pushes up, keeping the balloon floating above the ground. In order to understand more about how this principle works in hot air balloons, it helps to know more about hot air balloons themselves.

A hot air balloon has three major parts: the basket, the burner, and the envelope. The basket is where passengers ride. The basket is usually made of wicker. This ensures that it will be comfortable and add little extra weight. The burner is positioned above the passenger’s heads and produces a huge flame to heat the air inside the envelope. The envelope is the colorful fabric balloon that holds the hot air. When the air inside the envelope is heated, the balloon rises.

The pilot can control the up-and-down movements of the hot air balloon by regulating the heat in the envelope. To ascend, the pilot heats the air in the envelope. When the pilot is ready to land, the air in the balloon is allowed to cool and the balloon becomes heavier than air. This makes the balloon descend.

Before the balloon is launched, the pilot knows which way the wind is blowing. This means that she has a general idea........................... which way the balloon will go. But, sometimes the pilot can actually control the direction that the balloon flies while.......................................... flight. This is because the air above the ground is sectioned .........................................layers in which the direction of the wind may be different. So even though the pilot can’t steer the balloon, she can fly or higher or lower into a different layer ......................................air. Some days the difference between the direction of the wind between layers is negligible. But other days the difference is so strong that it can actually push the balloon in a completely different direction!


According to the text, if the hot air balloon pilot wants to change directions during flight, what might he or she do to accomplish this?
Alternativas
Q2013435 Inglês
Balloons

Have you ever wondered what keeps a hot air balloon flying? The same principle that keeps food frozen in the open chest freezers at the grocery store allows hot air balloons to fly. It’s a very basic principle: Hot air rises and cold air falls. So while the super-cooled air in the grocery store freezer settles down around the food, the hot air in a hot air balloon pushes up, keeping the balloon floating above the ground. In order to understand more about how this principle works in hot air balloons, it helps to know more about hot air balloons themselves.

A hot air balloon has three major parts: the basket, the burner, and the envelope. The basket is where passengers ride. The basket is usually made of wicker. This ensures that it will be comfortable and add little extra weight. The burner is positioned above the passenger’s heads and produces a huge flame to heat the air inside the envelope. The envelope is the colorful fabric balloon that holds the hot air. When the air inside the envelope is heated, the balloon rises.

The pilot can control the up-and-down movements of the hot air balloon by regulating the heat in the envelope. To ascend, the pilot heats the air in the envelope. When the pilot is ready to land, the air in the balloon is allowed to cool and the balloon becomes heavier than air. This makes the balloon descend.

Before the balloon is launched, the pilot knows which way the wind is blowing. This means that she has a general idea........................... which way the balloon will go. But, sometimes the pilot can actually control the direction that the balloon flies while.......................................... flight. This is because the air above the ground is sectioned .........................................layers in which the direction of the wind may be different. So even though the pilot can’t steer the balloon, she can fly or higher or lower into a different layer ......................................air. Some days the difference between the direction of the wind between layers is negligible. But other days the difference is so strong that it can actually push the balloon in a completely different direction!


Analyse these sentences below.
1. As used in paragraph 3, the best synonym for ‘ascend’ is ‘climb’.
2. As used in paragraph 3, the best antonym for ‘descend’ is ‘fall’.
3. According to the author, wicker is “a pliable twig to make items such as furniture and baskets”.
4. The words ‘higher’ and ‘lower’, as used in the last paragraph are examples of the comparative of superiority form of the adjectives ‘high’ and ‘low’.

Choose the alternative which presents the correct sentences.
Alternativas
Q2013434 Inglês
Balloons

Have you ever wondered what keeps a hot air balloon flying? The same principle that keeps food frozen in the open chest freezers at the grocery store allows hot air balloons to fly. It’s a very basic principle: Hot air rises and cold air falls. So while the super-cooled air in the grocery store freezer settles down around the food, the hot air in a hot air balloon pushes up, keeping the balloon floating above the ground. In order to understand more about how this principle works in hot air balloons, it helps to know more about hot air balloons themselves.

A hot air balloon has three major parts: the basket, the burner, and the envelope. The basket is where passengers ride. The basket is usually made of wicker. This ensures that it will be comfortable and add little extra weight. The burner is positioned above the passenger’s heads and produces a huge flame to heat the air inside the envelope. The envelope is the colorful fabric balloon that holds the hot air. When the air inside the envelope is heated, the balloon rises.

The pilot can control the up-and-down movements of the hot air balloon by regulating the heat in the envelope. To ascend, the pilot heats the air in the envelope. When the pilot is ready to land, the air in the balloon is allowed to cool and the balloon becomes heavier than air. This makes the balloon descend.

Before the balloon is launched, the pilot knows which way the wind is blowing. This means that she has a general idea........................... which way the balloon will go. But, sometimes the pilot can actually control the direction that the balloon flies while.......................................... flight. This is because the air above the ground is sectioned .........................................layers in which the direction of the wind may be different. So even though the pilot can’t steer the balloon, she can fly or higher or lower into a different layer ......................................air. Some days the difference between the direction of the wind between layers is negligible. But other days the difference is so strong that it can actually push the balloon in a completely different direction!


From the text, iti is correct to state that balloon pilots control the balloon’s altitude by:
Alternativas
Q2009397 Inglês
Choose the option where both grammar and vocabulary are correct:
I. “Thomas said he was going to a class after lunch.”
II. “The weather forecast said that it was going to rain on the following day."
III. “My husband said that there was a great movie on TV that day."
IV. “My apologies, but he said he had miss the train.” 
Alternativas
Q2009396 Inglês
Choose the option where both grammar and vocabulary are correct:
I. “We looked for witnesses, but the neighbors had not seen Tootles in the act.”
II. “If Todd had not included his own name in the message, we would had no idea who was behind it.”
III. “I have knew Victoria for a long time, I can assure that she will help.”
IV. “The new drug will have been implemented within the pharmaceutical companies by this year.”
Alternativas
Q2009395 Inglês
Choose the option where both grammar and vocabulary are correct:
I. “Many tourists will have been expected to arrive in Spain this year and the next.”
II. “Fossil fuels will have been found lacking in any search conducted by the year 2050.”
III. “Stonehenge will have been visited by at least a thousand visitors by the end of this year.”
IV. “The speed of light will not have been exceeded by any type of craft at any point in the future.”
Alternativas
Q2009394 Inglês
Read the following sentences and complete, respectively, with the appropriate phrasal verb.
I. “Our sofa is really old. We need to ___ it.”
II. “After showing James the pie charts and diagrams,
I was finally able to ___ him.” III. “I feel sorry for Andrew. His brother's always ___ him even when he’s done nothing wrong.
IV. If Mel thinks she's going to ___ being late again, she's terribly mistaken!” 
Alternativas
Q2009393 Inglês
Read the following sentences and complete, respectively, with the appropriate verbs/adjectives.
I. “Jennifer does chores ______ because she doesn’t trust others to do them right.” II. “This is the first time I’ve ______ this | seen him so angry | seen this | heard about it.” III. “The teacher asked _______ coat was on the floor but no one answered.” IV. “If I had ______ up earlier this morning, I wouldn’t have caught him red-handed.”
Alternativas
Q2009392 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
Choose the option that best replaces the words in bold:
Ultimately, the effects of the modern world on the environment can lead to many problems.”
Alternativas
Q2009391 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
Choose the option that best replaces the words in bold:
Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.” 
Alternativas
Q2009390 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
Choose the option that best replace the word in bold:
“Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air.” 
Alternativas
Q2009389 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
Choose the option that best replace the word in bold: “In our modern world, there are many factors that place the wellbeing of the planet in jeopardy.”
Alternativas
Q2009388 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
Which term means the same thing as “global warming?” 
Alternativas
Q2009387 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
According to the text, which could be the best title for the article?
Alternativas
Q2009386 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
According to the text, what people and local governments do that can have tremendous effects on the environment?
Alternativas
Q2009385 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
According to the text, what is the primary cause of air pollution? 
Alternativas
Q2009384 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
According to the text, which of the following is NOT an environmental damage caused by the global warming? 
Alternativas
Q2009383 Inglês
Read the following text and answer the questions from 26 to 35:

Text
In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.
Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.
Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.
In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.
Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet. 
The text’s introduction presents:
Alternativas
Q2005956 Inglês

inf_texto.png (387×636)

Internet: <www.nortechplus.com>.

Choose the correct alternative concerning the ideas from the text. 
Alternativas
Respostas
13001: B
13002: A
13003: E
13004: B
13005: A
13006: D
13007: E
13008: B
13009: B
13010: A
13011: C
13012: C
13013: E
13014: C
13015: A
13016: E
13017: B
13018: B
13019: D
13020: A