Humans Intervene in the Nitrogen Cycle in Several Ways

question 48

Multiple Choice

Humans intervene in the nitrogen cycle in several ways.Which of the following is not one of those ways?

• A)Burning fossil fuels adds nitric oxide.
• B)Agriculture releases nitrous oxides.
• C)Destruction of forests releases nitrogen.
• D)We store nitrogen in the topsoil when we harvest nitrogen rich crops.
• E)Agriculture using fertilizers adds nitrogen to aquatic systems.

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