Question

nitrogen cycle explain with diagram

Answer 1

Answer:

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmosphere, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes. Important processes in the nitrogen cycle include fixation, ammonification, nitrification, and denitrification. The majority of Earth's atmosphere (78%) is atmosphere nitrogen,[16]making it the largest source of nitrogen. However, atmospheric nitrogen has limited availability for biological use, leading to a scarcity of usable nitrogen in many types of ecosystems.

Answer 2

Explanation:

Earth's atmosphere contains 78% nitrogen. It is very essential for plant growth. Lack of nitrogen can cause serious damage to crop production.

Nitrogen is absorbed by soil and plant for their growth. It is released in the atmosphere by the decomposition of dead animals in the form of ammonia. Thus, the cycle of nitrogen is maintained.

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