Q: When water goes above and below its freezing point, what rock-breaking phenomenon is common? Choices: - ice locking - ice inverting - ice crushing - ice wedging A:
ice wedging
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Q: What is the term used to measure the intensity of sound waves? Choices: - amplitude - phon - hertz - decibel A:
decibel
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Q: What are the glands that secrete milk in a woman's breasts? Choices: - primordial glands - pituitary glands - lactic acids - mammary glands A:
mammary glands
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Q: Birds have light-weight bones that are filled with what? Choices: - water - proteins - blood - air A:
air
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