The words in bold “their” (l. 02), “these” (l. 03), and “the...

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Probiotics and Prebiotics: What’s Really Important


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(Available at: https://www.health.harvard.edu/nutrition/are-you-getting-essential-nutrients-from-your-diet/ - text especially adapted for this test).

The words in bold “their” (l. 02), “these” (l. 03), and “these” (l. 05) refer to, respectively: 
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