Headache, nausea, hunger, ect.
<span>Of the physical activities listed , which is the most Vigorous ?
C. playing a game of vollyball
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<span>The correct answer is D. The US Food and Drug Administration examines many different substances and approves them when their benefits outweigh the risks. To be approved, manufacturers must prove to the FDA that their product is both safe and effective, so if the drug is ineffective, it is unlikely that the FDA will approve it.</span>
