Q: At what time of life does menopause occur? Choices: - old age - young adulthood - adolescence - in middle adulthood A:
in middle adulthood
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Q: Filter feeders, such as sponges, pump water into their body through what structures? Choices: - fibers - lungs - valves - pores A:
pores
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Q: The e. coli chromosome, like many other bacterial chromosomes, is what shape? Choices: - oval - square - triangular - circular A:
circular
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Q: What natural destructive element cuts away at rock forming river valleys? Choices: - sediment - lava - air - water A:
water
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