Q: Some flatworms are free-living carnivores that live mainly in which type of habitats? Choices: - Deciduous forest - Desert - freshwater - aquatic A:
aquatic
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Q: Calcium hydroxide and calcium carbonate are effective in neutralizing the effects of what on lakes? Choices: - oil rain - ozone rain - dioxide rain - acid rain A:
acid rain
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Q: Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. the alveoli act like what? Choices: - filters - springs - bellows - tiny bubbles A:
tiny bubbles
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Q: What kind of reactions between an acid and a base yield a salt and water? Choices: - oxidation - evaporation - distillation - neutralization A:
neutralization
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