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Chemistry, 20.07.2019 13:30 kraigstlistt
Which statement describes a cycle of earth's surface? a. nitrogen from the atmosphere is used and replaced directly by plants on the surface. b. carbon from the atmosphere is used by plants on the surface and returned by respiration. c. carbon from rocks is used directly by plants during photosynthesis and returned by decay. d. nitrogen from plants is broken down during photosynthesis and used to build amino acids
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Which statement describes a cycle of earth's surface? a. nitrogen from the atmosphere is used and r...
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