Why does transpiration occur mainly through leves?

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Transpiration**: Transpiration is the process by which plants lose excess water, primarily in the form of water vapor, from their aerial parts.

2. **Location of Stomata**: The primary reason transpiration occurs mainly through leaves is that leaves contain small openings called stomata. These stomata are crucial for gas exchange.

3. **Function of Stomata**: Stomata allow for the exchange of gases, including oxygen and carbon dioxide, and they also facilitate the movement of water vapor out of the plant.

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