What is the process called where nitrogen is repeatedly recycled through the biosphere?

• Correct Answer: nitrogen path
• ammonia cycle
• water cycle
• nitrogen cycle

Explanation: Like water and carbon, nitrogen is also repeatedly recycled through the biosphere. This process is called the nitrogen cycle . Nitrogen is one of the most common elements in living organisms. It is important for creating both proteins and nucleic acids, like DNA. The air that we breathe is mostly nitrogen gas (N 2 ), but, unfortunately, animals and plants cannot use the nitrogen when it is a gas. In fact, plants often die from a lack of nitrogen even through they are surrounded by plenty of nitrogen gas. Nitrogen gas (N 2 ) has two nitrogen atoms connected by a very strong triple bond. Most plants and animals cannot use the nitrogen in nitrogen gas because they cannot break that triple bond.

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