Why do we feel cooler after sweating ?

"We feel cooler after sweating in summer." Why ?

Assertion(A): We feel cool after sweating Reason ( R): We store water is earthen pots during summer.

Why do we feel cool under the shade of trees in an orchard?

Why did we feel thirstier, after eating 50 gms of potato chips in journey?

Why do we feel thirstier even after drinking cool drink?

Why do we feel sticky of stem and leaves of a plant effected with aphids?

Observe the following table and answer the following questions. Why do we feel much relief when we drink coffee ?

Why do we need to conserve the fossil fuels ?

Why do we need proper drainage system?

Why do we feel bilious or liverish ?