Question

The belt of maximum solar energy input to Earth swings back and forth:

Answer 1

Answer:

Option (D)

Explanation:

The region that covers the area between 23° N and 23° S receives the maximum amount of sunlight, as the sun is directly above in this region. These regions including the equator form the belt of the maximum amount of solar energy input.

As this region receives a large amount of sunlight, so there occurs subsequent precipitation in this area, providing the valuable nutrients that are basically required by the plants and animals for their growth and expansion and development.

Apart from this region, the amount of sunlight incident in the other region is comparatively lesser. This means that the amount of sunlight decreases from the equator to the poles. It is because the sun is far away from the poles and also the atmosphere in the increasing latitudinal areas blocks the incoming solar energy.

Thus, the solar energy input to earth swings back and forth through the tropics.

Hence, the correct answer is option (D).

Answer 2

Answer:

d. through the tropics

Explanation:

• The tropics account for the maximum amount of the solar energy that is being absorbed the planet and is re-radiated back to the space in terms of the longwave terrestrial radiation form. And thus the earth gets most of the heat energy due the contact with the direct waves and poles have the last as they don't allow much of the waves to transverse the longer distance.