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A substance that enters Earth's cycles and does harm to living things is A. oxygen. B. freshwater. C. a pollutant. D. hydrogen
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A substance that enters Earth's cycles and does harm to living things is A. oxygen. B. freshwater. C. a pollutant. D. hydrogen
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Mar 14, 2017
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A substance that enters Earth's cycles and does harm to living things is
A. oxygen.
B. freshwater.
C. a pollutant.
D. hydrogen
Biology
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John Jefferies
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John Jefferies
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A substance that enters Earth's cycles and does harm to living things is a pollutant.
Kyle Greenlaw
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Mar 15, 2017
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Kyle Greenlaw
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The answer is C: a pollutant.
Malditojavi
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Mar 20, 2017
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Malditojavi
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