Question

what is the difference between air and wind

Answer 1

air is smooth and always present but the wind can be smooth or may be very strong.wind can destroy but air helps us to breath

Answer 2

The gaseous mixture in our atmosphere is called air. It includes oxygen, which we breathe and carbon dioxide which we exhale. In fact, it includes every gas that makes up the atmosphere. 

Wind is the horizontal motion of air, due to the pressure difference between two places. Wind is the perceptible natural movement of the air, especially in the form of a current of air blowing from a particular direction.