What are the three different ways of nitrogen fixation?

Explanation

### Step-by-Step Solution:

1. **Understanding Nitrogen Fixation**:
- Nitrogen fixation is the process of converting atmospheric nitrogen (N₂) into ammonia (NH₃), which plants can utilize. This is essential because most plants cannot directly use atmospheric nitrogen.

2. **Identifying the Three Methods of Nitrogen Fixation**:
- There are three primary methods through which nitrogen fixation occurs:
1. **Atmospheric Nitrogen Fixation**
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