Question

Describe three ways nitrogen can be fixed.
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Answer 1

Nitrogen can be fixed through biological nitrogen fixation, industrial nitrogen fixation, and lightning or electrical discharge.

Step-by-step explanation:

There are three ways that nitrogen can be fixed:

1. The first way is through biological nitrogen fixation, where certain bacteria convert atmospheric nitrogen into a form that can be used by plants. Examples include Rhizobium bacteria that form nodules on the roots of leguminous plants.
2. The second way is through industrial nitrogen fixation, where nitrogen gas is combined with hydrogen gas to produce ammonia. This process is used to produce fertilizer and other nitrogen-containing compounds.
3. The third way is through lightning or electrical discharge, which converts atmospheric nitrogen into nitrogen oxides that can be dissolved in rainwater and taken up by plants.

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