Question

Earthern pots contain tiny pores. During summer,when water is poured into an earthern pot,some of the water seeps through pores to the outer surface.

The water on evaporation escape from the tiny pores of the earthen pot.the heat required for evaporation is taken from the earthen pot and the water in it.
Thus results in lowering of the heat and the water cool

Answer 1

Due to evaporation

Explanation:

Due to fine pores present on this surface. The water comes out through them and they absorb the heat energy from its surrounding. This is why the water present inside becomes cool.