Question

Why does a desert cooler work best in a hot dry climate?

Answer 1

Answer:it is the evaporation process.a desert cooler cool better on dry day because the higher temp. On a hot day increase the rate of evaporation of water and the dryness of air also increase the rate of evaporation of water.

Explanation:

Answer 2

The particles of liquid in desert cooler absorb energy from the surrounding to regain the energy lost during evaporation. In summer this is fast. Hence desert cooler cool better in a hot dry day.