Question

the atmosphere of the earth is heated by radiations which are mainly
a. radiated by sun
b. re-radiated by land
c. re-radiated by water
d re-radiated by land and water
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Answer 1

Answer:

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(d) When solar radiations fall on 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.