The relative state of heat or coldness is called 

Polar winds are also called 

The degree of heat in the atmosphere of a place is called

The temperature is very low in

The lines connecting the places receiving equal amount of temperature are called

Torrid zone is also known as

Which of the following zone is the hottest part of the Earth?

The angle of the incidence of the Sun's rays varies with the

The zones beyond the Arctic and Antarctic circles which surround the poles are known as

The Sun is never overhead in