Our app is now available on Google Play. Get it on Google Play

Why does a desert cooler cool better on a hot dry day?

  1. Humidity is less on hot dry day
  2. It increases the rate of evaporation
  3. Both A and B
  4. None of the above

Answer: Both A and B


Long Answer:

A desert cooler cool better on a hot dry day because it hot summer days the humidity is less which increases the rate of evaporation.