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Q2514230 Inglês
Agatha Christie

Agatha Christie is one of the rare writers who has completely transcended pop culture to become a more or less permanent fixture in the literary filament. Most authors — even best-selling authors who won awards and enjoyed huge sales of their books — fade away shortly after they die, their work falling out of fashion. A favorite example is George Barr McCutcheon, who had several bestsellers in the early 20th century — including "Brewster’s Millions," which has been adapted to film seven times — and was quite the literary star. A hundred years later, few people know his name, and if they know the title of his most famous work, it’s probably because of Richard Pryor.
But Christie is something else entirely. [...] Christie’s works are protected from the sort of rot that makes most non-literary classics fade from the public mind, of course, because they are generally quite clever, and the mysteries they describe and solve are crimes and schemes that could still be attempted today despite the march of time and technology. That makes Christie’s stories very adaptable, and indeed they are still adapting her most famous novels for television and film. Whether as period pieces or with effortless updates, these stories remain the gold standard for a “whodunnit.” On top of that, despite being a writer of paperback mysteries, a traditionally low-rent genre, Christie injected a certain thrilling literary adventure into her writing, ignoring the rules quite often and setting new standards [...].
And that’s likely the reason for Christie’s continued popularity. Despite writing what could have been tossed-off novels that sold like hotcakes and were then forgotten, Christie managed a perfect balance between intelligent artistry and the red meat of surprise twists, sudden reveals, and convoluted murder plots. Tha t literary intelligence, in fact, means that there’s a lot more than just clues to the mystery at hand in Christie’s stories — in fact, there are clues to Agatha Christie herself hidden in her prose.

(Adapted from: https://www.thoughtco.com/agatha-christie-secrets-4137763)
Analyze the sentences below:
1. “Agatha Christie is one of the rare writers who has completely transcended pop culture...” 2. “[...] Christie is something else entirely...” 3. “[...] Christie injected a certain thrilling literary adventure into her writing...” 
It is correct to affirm that: 
Alternativas
Q2514229 Inglês
Agatha Christie

Agatha Christie is one of the rare writers who has completely transcended pop culture to become a more or less permanent fixture in the literary filament. Most authors — even best-selling authors who won awards and enjoyed huge sales of their books — fade away shortly after they die, their work falling out of fashion. A favorite example is George Barr McCutcheon, who had several bestsellers in the early 20th century — including "Brewster’s Millions," which has been adapted to film seven times — and was quite the literary star. A hundred years later, few people know his name, and if they know the title of his most famous work, it’s probably because of Richard Pryor.
But Christie is something else entirely. [...] Christie’s works are protected from the sort of rot that makes most non-literary classics fade from the public mind, of course, because they are generally quite clever, and the mysteries they describe and solve are crimes and schemes that could still be attempted today despite the march of time and technology. That makes Christie’s stories very adaptable, and indeed they are still adapting her most famous novels for television and film. Whether as period pieces or with effortless updates, these stories remain the gold standard for a “whodunnit.” On top of that, despite being a writer of paperback mysteries, a traditionally low-rent genre, Christie injected a certain thrilling literary adventure into her writing, ignoring the rules quite often and setting new standards [...].
And that’s likely the reason for Christie’s continued popularity. Despite writing what could have been tossed-off novels that sold like hotcakes and were then forgotten, Christie managed a perfect balance between intelligent artistry and the red meat of surprise twists, sudden reveals, and convoluted murder plots. Tha t literary intelligence, in fact, means that there’s a lot more than just clues to the mystery at hand in Christie’s stories — in fact, there are clues to Agatha Christie herself hidden in her prose.

(Adapted from: https://www.thoughtco.com/agatha-christie-secrets-4137763)
Relative pronouns are: that, who, whom, which, and whose. They refer to terms quoted previously and must be used to introduce a subordinated and main sentence.
(Source: https://brasilescola.uol.com.br/ingles/relative-pronouns.htm)
The pronoun “who” underlined in the first paragraph of Agatha Christie’s biography is:
Alternativas
Q2514228 Inglês
Agatha Christie

Agatha Christie is one of the rare writers who has completely transcended pop culture to become a more or less permanent fixture in the literary filament. Most authors — even best-selling authors who won awards and enjoyed huge sales of their books — fade away shortly after they die, their work falling out of fashion. A favorite example is George Barr McCutcheon, who had several bestsellers in the early 20th century — including "Brewster’s Millions," which has been adapted to film seven times — and was quite the literary star. A hundred years later, few people know his name, and if they know the title of his most famous work, it’s probably because of Richard Pryor.
But Christie is something else entirely. [...] Christie’s works are protected from the sort of rot that makes most non-literary classics fade from the public mind, of course, because they are generally quite clever, and the mysteries they describe and solve are crimes and schemes that could still be attempted today despite the march of time and technology. That makes Christie’s stories very adaptable, and indeed they are still adapting her most famous novels for television and film. Whether as period pieces or with effortless updates, these stories remain the gold standard for a “whodunnit.” On top of that, despite being a writer of paperback mysteries, a traditionally low-rent genre, Christie injected a certain thrilling literary adventure into her writing, ignoring the rules quite often and setting new standards [...].
And that’s likely the reason for Christie’s continued popularity. Despite writing what could have been tossed-off novels that sold like hotcakes and were then forgotten, Christie managed a perfect balance between intelligent artistry and the red meat of surprise twists, sudden reveals, and convoluted murder plots. Tha t literary intelligence, in fact, means that there’s a lot more than just clues to the mystery at hand in Christie’s stories — in fact, there are clues to Agatha Christie herself hidden in her prose.

(Adapted from: https://www.thoughtco.com/agatha-christie-secrets-4137763)
Based on the text, it is correct to affirm that Agatha Christie’s popularity is due to:
Alternativas
Q2514227 Inglês
Look at some of the song’s verses Return to Sender, by Elvis Presley, and mark the alternative that presents the verb in the infinitive and its respective forms in the past and the participle of the underlined verb.
Alternativas
Q2514226 Inglês
Check the alternative with the plural of the nouns and in their respective order it is presented below:
LETTER – POSTMAN – SACK – ADDRESS – NUMBER – ZONE – MAILBOX – HAND – DAY
Alternativas
Q2514225 Inglês
Failed policies and false promises bedevil multilingualism in South Africa

Twenty-seven years after democracy, English retains its hegemony as the language of influence, means, and access in all spheres of life – despite progressive language policies and government promises to foster all eleven official languages. “We are a multilingual country with monolingual practices,” said University of Cape Town (UCT) Vice-Chancellor Professor Mamokgethi Phakeng in a public lecture, delivered as Bristol Illustrious Visiting Professor (BIVP). [...] In 1997 South Africa announced a new Language in Education policy for schools, recognising eleven official languages and encouraging multilingualism. Within this policy, learners must choose the preferred language of learning on admission to a school. Where the language they choose is not available, parents can apply to the provincial education department to provide instruction. Most choose English – probably through their parents’ influence, as it holds the key to opportunities, said Phakeng.
In 2020 the Department of Higher Education and Training published a language policy framework for public higher education institutions. These policies are intended to develop and strengthen indigenous languages as languages of scholarship, teaching and learning, and communication in South African universities, said Phakeng. The policy framework is also meant to highlight the role of higher education in creating and promoting conditions for the development of historically marginalized official South African languages of the Khoi, Nama, and San people, as well as sign language [...]. 
History has shown that despite their lofty intentions, both policies have failed to redress the situation. English still dominates in almost every facet of public life. The reasons are many and complex, said Phakeng [...].
“For example, you can be fluent in six of the country’s eleven official languages but denied an opportunity to join the military, because your matric English mark was 45%. It doesn’t matter that you scored 78% for your home language, Xhosa.” [...] Research suggests that schools are not opting to use indigenous African languages as languages of learning and teaching, in both policy and practice. Those in power should have known better, Phakeng said.
“Mother-tongue instruction has a bad image among speakers of African languages. It is associated with apartheid, and hence inferior education – parents’ memories of Bantu education, combined with our perception of English as a gateway to better education, and making most black parents favor English from the beginning.” 
English is also a prerequisite for anyone aspiring to become a professional in South Africa. [...]
 (Adapted from: https://www.news.uct.ac.za/article/-2022-03-10-failed-policies-false-promises-bedevil-multilingualism-in-sa)
According to the text “Failed policies and false promises bedevil multilingualism in South Africa” write true ( T ) or false ( F ) in the following sentences:
( ) One of the South African language policies guarantees that learners must choose their preferred language of learning on admission to a school, and if it is unavailable in the chosen school, they can apply to the provincial education department to provide instruction. ( ) South Africa is a multilingual country with twelve languages used among people, however, English is the only one necessary to be admitted to a school. ( ) South Africa is a multilingual country with eleven official languages, but language policies failed to promote their development all over the country. ( ) According to the Vice-Chancellor of the University of Cape Town (UCT), some researchers suggest that schools are not deciding on using indigenous African languages as languages of learning and teaching because of English influence. ( ) South African people do not have opportunities denied if they are fluent in six of the country’s languages and do not communicate and understand well in English.
Mark the correct alternative: 
Alternativas
Q2514224 Inglês
Failed policies and false promises bedevil multilingualism in South Africa

Twenty-seven years after democracy, English retains its hegemony as the language of influence, means, and access in all spheres of life – despite progressive language policies and government promises to foster all eleven official languages. “We are a multilingual country with monolingual practices,” said University of Cape Town (UCT) Vice-Chancellor Professor Mamokgethi Phakeng in a public lecture, delivered as Bristol Illustrious Visiting Professor (BIVP). [...] In 1997 South Africa announced a new Language in Education policy for schools, recognising eleven official languages and encouraging multilingualism. Within this policy, learners must choose the preferred language of learning on admission to a school. Where the language they choose is not available, parents can apply to the provincial education department to provide instruction. Most choose English – probably through their parents’ influence, as it holds the key to opportunities, said Phakeng.
In 2020 the Department of Higher Education and Training published a language policy framework for public higher education institutions. These policies are intended to develop and strengthen indigenous languages as languages of scholarship, teaching and learning, and communication in South African universities, said Phakeng. The policy framework is also meant to highlight the role of higher education in creating and promoting conditions for the development of historically marginalized official South African languages of the Khoi, Nama, and San people, as well as sign language [...]. 
History has shown that despite their lofty intentions, both policies have failed to redress the situation. English still dominates in almost every facet of public life. The reasons are many and complex, said Phakeng [...].
“For example, you can be fluent in six of the country’s eleven official languages but denied an opportunity to join the military, because your matric English mark was 45%. It doesn’t matter that you scored 78% for your home language, Xhosa.” [...] Research suggests that schools are not opting to use indigenous African languages as languages of learning and teaching, in both policy and practice. Those in power should have known better, Phakeng said.
“Mother-tongue instruction has a bad image among speakers of African languages. It is associated with apartheid, and hence inferior education – parents’ memories of Bantu education, combined with our perception of English as a gateway to better education, and making most black parents favor English from the beginning.” 
English is also a prerequisite for anyone aspiring to become a professional in South Africa. [...]
 (Adapted from: https://www.news.uct.ac.za/article/-2022-03-10-failed-policies-false-promises-bedevil-multilingualism-in-sa)
From the text reading, it is possible to infer that the key challenge of multilingualism policies in South Africa is:
Alternativas
Q2514223 Inglês
Failed policies and false promises bedevil multilingualism in South Africa

Twenty-seven years after democracy, English retains its hegemony as the language of influence, means, and access in all spheres of life – despite progressive language policies and government promises to foster all eleven official languages. “We are a multilingual country with monolingual practices,” said University of Cape Town (UCT) Vice-Chancellor Professor Mamokgethi Phakeng in a public lecture, delivered as Bristol Illustrious Visiting Professor (BIVP). [...] In 1997 South Africa announced a new Language in Education policy for schools, recognising eleven official languages and encouraging multilingualism. Within this policy, learners must choose the preferred language of learning on admission to a school. Where the language they choose is not available, parents can apply to the provincial education department to provide instruction. Most choose English – probably through their parents’ influence, as it holds the key to opportunities, said Phakeng.
In 2020 the Department of Higher Education and Training published a language policy framework for public higher education institutions. These policies are intended to develop and strengthen indigenous languages as languages of scholarship, teaching and learning, and communication in South African universities, said Phakeng. The policy framework is also meant to highlight the role of higher education in creating and promoting conditions for the development of historically marginalized official South African languages of the Khoi, Nama, and San people, as well as sign language [...]. 
History has shown that despite their lofty intentions, both policies have failed to redress the situation. English still dominates in almost every facet of public life. The reasons are many and complex, said Phakeng [...].
“For example, you can be fluent in six of the country’s eleven official languages but denied an opportunity to join the military, because your matric English mark was 45%. It doesn’t matter that you scored 78% for your home language, Xhosa.” [...] Research suggests that schools are not opting to use indigenous African languages as languages of learning and teaching, in both policy and practice. Those in power should have known better, Phakeng said.
“Mother-tongue instruction has a bad image among speakers of African languages. It is associated with apartheid, and hence inferior education – parents’ memories of Bantu education, combined with our perception of English as a gateway to better education, and making most black parents favor English from the beginning.” 
English is also a prerequisite for anyone aspiring to become a professional in South Africa. [...]
 (Adapted from: https://www.news.uct.ac.za/article/-2022-03-10-failed-policies-false-promises-bedevil-multilingualism-in-sa)
Mark the alternative that explains the use of the underlined words with -ing in the utterance: “The policy framework is also meant to highlight the role of higher education in creating and promoting conditions for the development of historically marginalized official South African languages of the Khoi, Nama, and San people, as well as sign language [...]”.
Alternativas
Q2514222 Inglês
Failed policies and false promises bedevil multilingualism in South Africa

Twenty-seven years after democracy, English retains its hegemony as the language of influence, means, and access in all spheres of life – despite progressive language policies and government promises to foster all eleven official languages. “We are a multilingual country with monolingual practices,” said University of Cape Town (UCT) Vice-Chancellor Professor Mamokgethi Phakeng in a public lecture, delivered as Bristol Illustrious Visiting Professor (BIVP). [...] In 1997 South Africa announced a new Language in Education policy for schools, recognising eleven official languages and encouraging multilingualism. Within this policy, learners must choose the preferred language of learning on admission to a school. Where the language they choose is not available, parents can apply to the provincial education department to provide instruction. Most choose English – probably through their parents’ influence, as it holds the key to opportunities, said Phakeng.
In 2020 the Department of Higher Education and Training published a language policy framework for public higher education institutions. These policies are intended to develop and strengthen indigenous languages as languages of scholarship, teaching and learning, and communication in South African universities, said Phakeng. The policy framework is also meant to highlight the role of higher education in creating and promoting conditions for the development of historically marginalized official South African languages of the Khoi, Nama, and San people, as well as sign language [...]. 
History has shown that despite their lofty intentions, both policies have failed to redress the situation. English still dominates in almost every facet of public life. The reasons are many and complex, said Phakeng [...].
“For example, you can be fluent in six of the country’s eleven official languages but denied an opportunity to join the military, because your matric English mark was 45%. It doesn’t matter that you scored 78% for your home language, Xhosa.” [...] Research suggests that schools are not opting to use indigenous African languages as languages of learning and teaching, in both policy and practice. Those in power should have known better, Phakeng said.
“Mother-tongue instruction has a bad image among speakers of African languages. It is associated with apartheid, and hence inferior education – parents’ memories of Bantu education, combined with our perception of English as a gateway to better education, and making most black parents favor English from the beginning.” 
English is also a prerequisite for anyone aspiring to become a professional in South Africa. [...]
 (Adapted from: https://www.news.uct.ac.za/article/-2022-03-10-failed-policies-false-promises-bedevil-multilingualism-in-sa)
The underlined word in “History has shown that despite their lofty intentions, both policies have failed to redress the situation” is an ___________ and may be replaced by ____________ as a synonym. Mark the alternative that fills in the blanks correctly.
Alternativas
Q2514221 Inglês
Failed policies and false promises bedevil multilingualism in South Africa

Twenty-seven years after democracy, English retains its hegemony as the language of influence, means, and access in all spheres of life – despite progressive language policies and government promises to foster all eleven official languages. “We are a multilingual country with monolingual practices,” said University of Cape Town (UCT) Vice-Chancellor Professor Mamokgethi Phakeng in a public lecture, delivered as Bristol Illustrious Visiting Professor (BIVP). [...] In 1997 South Africa announced a new Language in Education policy for schools, recognising eleven official languages and encouraging multilingualism. Within this policy, learners must choose the preferred language of learning on admission to a school. Where the language they choose is not available, parents can apply to the provincial education department to provide instruction. Most choose English – probably through their parents’ influence, as it holds the key to opportunities, said Phakeng.
In 2020 the Department of Higher Education and Training published a language policy framework for public higher education institutions. These policies are intended to develop and strengthen indigenous languages as languages of scholarship, teaching and learning, and communication in South African universities, said Phakeng. The policy framework is also meant to highlight the role of higher education in creating and promoting conditions for the development of historically marginalized official South African languages of the Khoi, Nama, and San people, as well as sign language [...]. 
History has shown that despite their lofty intentions, both policies have failed to redress the situation. English still dominates in almost every facet of public life. The reasons are many and complex, said Phakeng [...].
“For example, you can be fluent in six of the country’s eleven official languages but denied an opportunity to join the military, because your matric English mark was 45%. It doesn’t matter that you scored 78% for your home language, Xhosa.” [...] Research suggests that schools are not opting to use indigenous African languages as languages of learning and teaching, in both policy and practice. Those in power should have known better, Phakeng said.
“Mother-tongue instruction has a bad image among speakers of African languages. It is associated with apartheid, and hence inferior education – parents’ memories of Bantu education, combined with our perception of English as a gateway to better education, and making most black parents favor English from the beginning.” 
English is also a prerequisite for anyone aspiring to become a professional in South Africa. [...]
 (Adapted from: https://www.news.uct.ac.za/article/-2022-03-10-failed-policies-false-promises-bedevil-multilingualism-in-sa)
Read the sentences below and mark the one that presents a preposition of time.
Alternativas
Q2514220 Saúde Pública
As Infecções Sexualmente Transmissíveis (IST) são causadas por vírus, bactérias ou outros microrganismos. Elas são transmitidas, principalmente, por meio do contato sexual (oral, vaginal, anal) sem o uso de camisinha masculina ou feminina, com uma pessoa que esteja infectada.
Disponível em: https://www.gov.br/Texto adaptado
O HIV causa uma IST, que merece atenção da saúde pública, a AIDS. Sobre formas de prevenção contra o HIV/AIDS, assinale a alternativa correta.
Alternativas
Q2514219 Biologia
CRISPR: Uma nova maneira para editar o DNA. O sistema CRISPR/Cas9 mantém as bactérias protegidas de vírus. E vem sendo usado por cientistas para editar o DNA de organismos em laboratório. A capacidade de modificar DNA em laboratório nos permite saber mais sobre como o DNA funciona, tratar doenças e desenvolver novos produtos. A tecnologia CRISPR/Cas9 oferece inúmeros benefícios quando usada de maneira responsável. 
Disponível em: https://parajovens.unesp.br/. Texto modificado
Entre as aplicações de CRISPR/Cas, destaca-se: 
Alternativas
Q2514218 Biologia
O ciclo celular pode ser subdivido em duas etapas: interfase e divisão celular, que pode ser por mitose ou por meiose, seguida de citocinese. O gene TP53 é responsável pela integridade do genoma e oncogênese. Estudos em camundongos demonstram que há incidência aumentada de tumores quando o gene está deficiente ou mutado. Sobre o gene TP53, sua ação é observada na
Alternativas
Q2514217 Química
Excesso de acidez no estômago causa úlceras e gastrite Veja o ranking dos alimentos mais 'bombásticos' para o seu estômago. Cafeína, bebidas alcoólicas, cigarro e até o nervosismo também podem piorar problemas como gastrite e úlcera. Segundo pesquisas, o estresse é o fator que mais desencadeia crises estomacais. Isso ocorre porque, em situações de tensão, o sistema nervoso é acionado e estimula a produção de ácido clorídrico no estômago. Assim, o suco gástrico fica mais ácido e a agressão é maior. 
Disponível em: https://g1.globo.com/. Texto modificado.
Quanto ao ácido citado no texto, assinale a alternativa que apresente sua classificação correta.
Alternativas
Q2514216 Meio Ambiente
Segundo estimativas da ONG CarbonPlan e do jornal The Washington Post, o Brasil terá a segunda cidade mais quente do mundo até 2050. O epicentro de calor será Belém, a capital do Pará.
As previsões do estudo indicam que Belém será a segunda cidade mais quente do mundo. Isso significa que, no ano de 2050, o município registrará mais de 200 dias de calor extremo. Isso equivale a dizer que a sensação térmica deve ser próxima de 48 ºC. Estas previsões se alinham com o entendimento da Organização das Nações Unidas (ONU) sobre o futuro do planeta, se novas estratégias de preservação ambiental não forem adotadas e a emissão de gases poluentes não for reduzida, como o gás carbônico.
Fonte: www.terra.com
As alterações bióticas e/ou abióticas na natureza provocam mudanças significativas nos ecossistemas e na conservação da biodiversidade, resultando em desequilíbrios ambientais. Sobre os desequilíbrios ambientais, assinale a alternativa correta.
Alternativas
Q2514215 Biologia
Queimadas disparam na Amazônia e Cerrado em 2024 Queimadas na Amazônia aumentam 153% em 2024. Cerrado e Pantanal também enfrentam altas.

Desde o início do ano até a data atual, a Amazônia registrou um aumento significativo de queimadas. Avaliações recentes indicam que os focos de incêndio no bioma amazônico aumentaram em 153% em comparação com o mesmo período de 2023. Dados provenientes do Inpe (Instituto Nacional de Pesquisas Espaciais) revelam que, até agora, foram contabilizados 8.969 focos de incêndio. O aumento nas queimadas não só coloca em risco a vasta biodiversidade da região mas também afeta diretamente as comunidades que dela dependem. Este cenário preocupante é resultado direto de uma estiagem histórica que acometeu a região entre junho e agosto de 2023, segundo análises do próprio Inpe. A situação perpetua um ciclo de destruição ambiental que necessita de intervenção imediata para sua mitigação. Não apenas a Amazônia está sofrendo com as chamas. O Cerrado, conhecido por sua rica biodiversidade, registrou um aumento de cerca de 1.300 focos de incêndio em comparação aos primeiros quatro meses do ano passado, totalizando 4.506. Já o Pantanal, mesmo durante a temporada de chuvas, viu seu número de queimadas saltar para 646, um aumento de 1.033% em relação ao mesmo período de 2023.
Disponível em: https://oantagonista.com.br. Texto modificado.
Sobre os biomas citados no texto, assinale a alternativa correta.
Alternativas
Q2514214 Engenharia Agronômica (Agronomia)
Entenda a importância do nitrogênio na nutrição da soja.
Ele participa de todas as fases de desenvolvimento da planta: do crescimento vegetativo ao enchimento de grãos e é absorvido do solo nas formas minerais NO3- e NH4+. Entretanto, a principal fonte de N da soja brasileira vem da atmosfera, não do solo. O nitrogênio mineral é bastante dinâmico no solo e passa por várias transformações, para que a soja o absorva, o que chamamos de Ciclo do nitrogênio. Disponível em: https://blogs.canalrural.com.br/. Texto adaptado.
Sobre este ciclo biogeoquímico, assinale a alternativa correta. 
Alternativas
Q2514213 Biologia
Nova sucuri descoberta, a anaconda verde do norte é uma das maiores do mundo
 Até então, acreditava-se que havia apenas a sucuri-verde, a Eunectes murinus. Serpente também conhecida como anaconda verde do sul, vive nas regiões do Peru, Bolívia, Guiana Francesa e Brasil, e, segundo o professor Miguel Trefaut Urbano Rodrigues, do Instituto de Biociências (IB) da Universidade de São Paulo (USP), ela possui diversas semelhanças morfológicas com a nova serpente descoberta, a Eunectes akiyama.
Fonte: https://jornal.usp.br/. Texto modificado.
Considerando os critérios da classificação biológica, no texto são citados
Alternativas
Q2514212 Química
Derretimento do gelo polar está alterando a rotação da Terra e mundo pode perder um segundo do tempo; entenda Um estudo publicado na revista Nature na quarta-feira revelou que o derretimento das calotas de gelo polares provocado pelo aquecimento global está alterando a rotação da Terra, fortemente afetadas pelo atrito das marés no fundo do oceano. De acordo com a pesquisa, o deslocamento do grande volume de água derretida nos polos do planeta em direção ao Equador está desacelerando a velocidade de rotação, o que, somado a alterações no núcleo terrestre, fará com que todo mundo perca um segundo do seu tempo nos próximos anos. A solução? Retirá-lo efetivamente dos relógios.
Disponível em: https://oglobo.globo.com/
As mudanças de estado físico da matéria são processos de passagem de um estado de agregação para outro. Sobre esse assunto, assinale a alternativa que nomeia corretamente o processo citado no texto. 
Alternativas
Q2514211 Química
Como identificar se o combustível é adulterado Para ajudar quem dirige a identificar possíveis fraudes, listamos alguns sinais que podem indicar a compra de combustível adulterado.
Você sabe identificar combustível adulterado? Para começar, desconfie de valores muito abaixo da média e procure abastecer em lugares de confiança. Além disso, as bombas têm que estar sempre lacradas, com as informações exigidas pela ANP (Agência Nacional do Petróleo, Gás e Biocombustíveis): endereço, CNPJ do posto e selo do Inmetro. Em postos sem bandeira, deve haver também uma indicação do fornecedor do combustível. Outra forma de saber que você foi vítima de combustível adulterado é observando os sinais que seu carro começa a exibir. A seguir, listamos os cinco principais: 1. Desempenho abaixo do normal; 2. Aumento de consumo de combustível; 3. Luz de alerta do motor acesa; 4. O carro começa a “morrer”; 5. O óleo que sai do cárter está diferente. 
Adaptado de: Mobilidade Estadão. Disponível em: https://mobilidade.estadao.com.br/
A gasolina comercializada no Brasil é um exemplo de sistema
Alternativas
Respostas
281: D
282: E
283: C
284: D
285: E
286: B
287: B
288: D
289: B
290: D
291: B
292: C
293: A
294: D
295: A
296: C
297: D
298: D
299: A
300: D