Question

why is the air in a region dry

Answer 1

Heya mate!!

✔The air in a place can be dry due to the minimum amount of water vapours present in the atmosphere due to less evaporation.

Hope it helps
☺☺

Answer 2

we experience the dampness on the dryness of the air throughout the year
the changes in the weather conditions in the desert areas coastal areas and mountainous areas is evident
example -Rajasthan lies in region with dry and hot air there is hardly any moisture people wear loose cotton clothes