Ques:Q: Name the physicist who discovered radioactivity? Choices: - louis pasteur - neal degrasse tyson - albert einstein - antoine henri becquerel A:

Ans:antoine henri becquerel
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Ques:Q: What element is a biochemical compound based on? Choices: - hydrogen - nitrogen - oxygen - carbon A:

Ans:carbon
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Ques:Q: What type of cell transmits electrical impulses in the nervous system? Choices: - toxin cell - Large Cell - trace cell - nerve cell A:

Ans:nerve cell
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Ques:Q: Where do greenhouse gases trap heat? Choices: - ground - space - altitude - atmosphere A:

Ans:
atmosphere
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