Which earthen pot keep water cooler, a new one or an oldd used one?

Explanation

To determine which earthen pot keeps water cooler, a new one or an old used one, we can analyze the properties of earthen pots and the process of evaporation.

### Step-by-Step Solution:

1. **Understanding Earthen Pots**:
- Earthen pots are made of clay and have a porous structure. This porosity allows water to seep through the walls of the pot.

2. **New Earthen Pot**:
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