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

a. between 0 through 90 degrees latitude.
b. through the middle latitudes.
c. through the area of energy deficit.
d. through the tropics.
e. through a total of 5 degrees of latitude.

d. through the tropics

Explanation:

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).

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answerformal;