The atmosphere is heated more by terrestrial radiation than by 

The lower layers of the atmosphere are heated by the 

The most important form of moisture in the atmosphere is

Which one of the following is the quantity of energy? 

The energy emitted constantly by the Sun is called

The Sun continuously radiates heat and light energy in all the directions are known as

Transfer of heat by circulatory movements are called

The amount of water vapor present in the air is called

Which is the main source of heat and light for the Earth?

The half of the surface of the Earth always receives