First shower of rain water is not pure. Why?

Explanation

**Step-by-Step Solution:**

1. **Understanding Rain Formation**: Rainwater is formed when water vapor in the atmosphere condenses into droplets. This process occurs in clouds, and when the droplets become heavy enough, they fall to the ground as rain.

*Hint: Think about how water vapor changes into liquid water.*

2. **First Shower of Rain**: When it begins to rain, the first drops that fall are often referred to as the "first shower." This initial rain has not fallen through a clean environment.

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