Q: Refraction happens when light bends from doing what in a new medium? Read this paragraph and choose the correct option from the provided answers: Facts are true. Data, gathered correctly, is factual. Facts and data are not subject to opinion or bias. 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? Read this paragraph and choose the correct option from the provided answers: Bradykinin is a peptide hormone composed of nine amino acids that lowers blood pressure. Its primary structure is arg-pro-pro-gly-phe-ser-pro-phe-arg. Would you expect bradykinin to be positively charged, negatively charged, or neutral at a pH of 6.0? Justify your answer. Choices: - angiotensin - parcnid - bufotenin - bradykinin A:
bradykinin
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Q: Larger animals expend more of what to achieve locomotion? Read this paragraph and choose the correct option from the provided answers: 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? Read this paragraph and choose the correct option from the provided answers: The rate at which two gases mix. Inversely proportional to the density of the gas. Choices: - matter - the container - dioxide - gas A:
gas
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