How does the water kept in an earthen pot (mataka) become cool during summer?

Explanation

### Step-by-Step Solution:

1. **Understanding Evaporation**:
- Evaporation is the process where liquid water turns into water vapor (gas). This process occurs at the surface of the liquid and can happen at any temperature.

2. **Properties of Earthen Pots**:
- Earthen pots, also known as matkas, are made from clay and are porous. This means they have tiny holes that are not visible to the naked eye.

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