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Which of the following is not a pool for nitrogen cycle?

AAtmosphere

BOcean

CSoil

DBiomass

Answer:

B. Ocean

Read Explanation:

  • Oceans are not reservoir for nitrogen cycle.

  • They contain nitrogen in form of deposits.

  • Atmosphere, soil and biomass act as pools for nitrogen cycle and there is exchange of nitrogen among them from one form to another.

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