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A substance that enters Earth's cycles and does harm to living things is A. freshwater. B. hydrogen. C. oxygen. D. a pollutant.
A substance that enters Earth's cycles and does harm to living things is a pollutant.
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Expert answered|Score 1|yumdrea|Points 44677|
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Asked 10/15/2018 6:20:55 AM
Updated 3/12/2020 11:51:31 PM
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Confirmed by alfred123 [3/12/2020 11:51:30 PM]
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