Q: Refraction happens when light bends from doing what in a new medium? Choices: - changing brightness - changing color - changing trajectory - changing speed A:
changing speed
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Q: What do we call a peptide hormone composed of nine amino acids that lowers blood pressure? Choices: - angiotensin - parcnid - bufotenin - bradykinin A:
bradykinin
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Q: Larger animals expend more of what to achieve locomotion? Choices: - neurons - distance - time - energy A:
energy
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Q: When thinking of the rate at which two gases mix, it is inverse proportional to the density of what? Choices: - matter - the container - dioxide - gas A:
gas
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