Question

Why a dessert cooler cools better on a hot dry day?

Answer 1

Explanation:

desert cooler cools better on a hot dry day because the rate of evaporation increase as it is depend on temprature and humidity thats why desert cooler cools better on hot humid day

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.