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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Definitions:

Temperature Regulation

The physiological and behavioral processes by which an organism maintains its body temperature within an optimal range.

Sacral

Pertaining to the sacrum, the triangular bone at the base of the spine in between the hip bones of the pelvis.

Thoracic

Pertaining to the chest region of the body, including the thoracic cavity that houses the heart and lungs.

Lumbar

Referring to the lower part of the spine consisting of five vertebrae.