How does lightning occur in the sky? Explain in detail.

Explanation

### Step-by-Step Solution:

1. **Understanding Cloud Formation**:
- Clouds are formed when water vapor in the atmosphere cools and condenses into tiny water droplets or ice crystals. These droplets cluster together to form clouds.

**Hint**: Think about how clouds are created from water vapor in the air.

2. **Movement of Air**:
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