During the nitrogen cycle, nitrogen from the air (atmosphere) enters the soil through: A. Lightning and rainfall.
What is nitrogen cycle?
Nitrogen cycle can be defined as a repeating bio-geochemical process which involves the circulation or interconversion of nitrogen and its chemical compounds by the actions of both living organisms and non-living things that are existing in the physical environment such as:
- Nitrogen fixation by bacteria.
During the nitrogen cycle, atmospheric nitrogen are contributed to the soil through lightning and rainfall (rain storms).
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