The atmosphere is the main reservoir of nitrogen in the biosphere.
The atmosphere is the main reservoir in the biosphere and the largest nitrogen reservoir is the nitrogen gas(N2)
The atmosphere
carbon dioxide and water
atmosphere
The atmosphere.
The atmosphere is the main reservoir in the biosphere and the largest nitrogen reservoir is the nitrogen gas(N2)
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The main nitrogen-containing nutrients in the biosphere are ammonia (NH3), nitrate (NO3-), and nitrite (NO2-).
The atmosphere
carbon dioxide and water
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nitrogen fixing bacteria
Nitrogen is lost in the biosphere. Biochemical processes help the Earth rebuild the nitrogen lost. Exchanges of nitrogen are slow and steady.
Humans add nitrogen to the biosphere in the form of nitrate, a major component of plant fertilizer.
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Earth's vast reservoir is in it's atmosphere which is roughly 79% nitrogen.