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21-09-2016
Geography

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The nitrogen utilized by most plants is derived from

A. soil.
B. the atmosphere.
C. nitrogen gas.
D. decayed organic matter

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taskmasters taskmasters

22-09-2016

I think the correct answer from the choices listed above is option A. The nitrogen utilized by most plants is derived from the soil. Nitrogen is a component of chlorophyll and therefore essential for photosynthesis. Plants use nitrogen by absorbing either nitrate or ammonium ions through the roots.

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