Question

i. Explain the reasons of the temperature variance in climatic zones of
the Earth.
ii. Explain the role of latitudes for the variance in temperature in
different climatic zones.​

Answer 1

1. There are differences in climate around the world because of differing amounts of radiation received from the Sun at different parts of the Earth at different times of the year. More heat from the Sun is received near the equator than near the north and south poles where the angle of the Sun's rays is lower.

2. Different latitudes on Earth receive different amounts of sunlight, and are a key factor in determining a region’s climate. For example, the higher the latitude of a given place (the farther away it is from the equator), the sharper the angle of the sun’s rays that reach it, meaning that the rays of the sun are spread across a broader area. Therefore, higher latitudes receive less heat than lower latitude areas nearer the equator.

Answer 2

Explanation:

1. The reason is the differing amounts of radiation received by different parts of the Earth at different times of the year. The sun's angle is very flat towards the ground and the solar radiation is almost vertical towards it. Thus, the tropical zone, which is nearest to equator, receives more radiation than the polar zone which is at the far end so the angle of radiation is much smaller. Therefore, temperature varies in climatic zones of the Earth.

2. Different latitudes on Earth receive different amounts of sunlight, and are a key factor in determining a region’s climate. For example, the higher the latitude of a given place (the farther away it is from the equator), the sharper the angle of the sun’s rays that reach it, meaning that the rays of the sun are spread across a broader area. Therefore, higher latitudes receive less heat than lower latitude areas nearer the equator.