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 explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
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Which description best characterizes the motion of particles in a solid?
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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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