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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.
C. a pollutant. A substance that enters Earth's cycles and does harm to living things is a pollutant.
Expert answered|migzptz|Points 7617|
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Asked 7/18/2013 1:09:47 PM
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An explosion that destroys the outer portion of a star is known as a A. supergiant. B. protostar. C. nebula. D. supernova.
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Asked 7/18/2013 1:24:36 PM
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With a diameter that's 11 times larger than Earth's, _______ is the largest planet. A. Saturn B. Venus C. Jupiter D. Mars
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Updated 7/18/2013 1:29:13 PM
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With a diameter that's 11 times larger than Earth's, Jupiter is the largest planet.
Added 7/18/2013 1:29:13 PM
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