Give reasons for the
When a perfume is sprayed on hand, we feel cool.

Give reasons for the following: a. Very small animals are rarely found in polar regions. b. Mammals from colder climate generally have shorter ear and limbs. c. Initially we feel nausea and fatigue when we reach a high altitude such as Rohtang Pass and then, gradually, we feel normal.

If the back of your hand is moistened with alcohol , you will find that it rapidly becomes dry. Why is it that while it is drying , your hand feels cool ?

If an electric fan be switched on in a closed room, will the air of the room be cooled? If not, why do we feel cold?

Give reason of you feel cool when you touch a piece of ice.

Give reason of water stored in an earthen vessel becomes cool.