The atmosphere of the earth is heated by radiations which are

GS Air

The atmosphere of the earth is heated by radiations which are mainly

  1. radiated by the sun
  2. re-radiated by land
  3. re-radiated by water
  4. re-radiated by land and water

Answer

When solar radiations fall on the earth, some are absorbed by the land but majority of these are reflected back or re-radiated by land and water bodies. These re-radiated or reflected solar radiation, heat up the atmosphere. This results in convection currents.

The correct option is D.