Q: How does the epidermis renew its layer? Choices: - loofah - scabbing - exfoliating scrub - shedding dead cells A:
shedding dead cells
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Q: In a mammal the front part of the brain is called the what? Choices: - cerebellum - thallus - brain stem - cerebrum A:
cerebrum
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Q: What results when a force does work? Choices: - side effect - momentum - pressure - movement A:
movement
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Q: Catalysts can greatly increase the rates of chemical what? Choices: - photosynthesis - decay - effects - reactions A:
reactions
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