Scientists are performing an audio experiment on a volunteer. Chris is sat in a chair, and two different sounds will be played for him as the scientists observe his reactions. Sound X has a high decibel level and sound Y has a lower decibel level. Which sound is more likely to make Chris lose hearing?
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Answer: Sound X

Mike is studying for his biology exam. He found that all body cells are not equal in size - some are large and some are small. He labeled the large cells as class A cells. Then he labeled the small cells as class B cells. He is now prepared to find the differences between them. Which cells would have less folds on its membrane, class A or class B?
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Answer: class B

The specialists studied two groups of larvae. Group L displayed all kinds of mutations while group D didn't. Which group of larvae had fewer germline mutations?
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Answer:
group D