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Pramila Pramila
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Posts: 599
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6 years ago
Nitrogen is made available to plants by ________.
A) photosynthesis
B) volcanic eruptions
C) heterotrophic bacteria converting ammonium to nitrate
D) dissolving in freshwater and in the ocean
E) mutualistic and free-living bacteria
Textbook 
Environment: The Science Behind the Stories, Canadian Edition

Environment: The Science Behind the Stories, Canadian Edition


Edition: 3rd
Authors:
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6 years ago
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