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The effect of regular exercise on heart and lung function is known as
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Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation
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Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome
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Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?
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The effect of regular exercise on heart and lung function is known as...
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