Prelims

Consider the following statements:

I. Without the atmosphere, temperature would be well below freezing point everywhere on the Earth’s surface.
II. Heat absorbed and trapped by the atmosphere maintains our planet’s average temperature.
III. Atmosphere’s gases, like carbon dioxide, are particularly good at absorbing and trapping radiation.

Which of the statements given above are correct?

Consider the following statements:
Statement I:
The amount of dust particles in the atmosphere is more in subtropical and temperate areas than in equatorial and polar regions.
Statement II:
Subtropical and temperate areas have less dry winds.

Which one of the following is correct in respect of the above statements?

Consider the following statements:

Statement-I:
Thickness of the troposphere at the equator is much greater as compared to poles.

Statement-II:
At the equator, heat is transported to great heights by strong convectional currents.

Which one of the following is correct in respect of the above statements?

With reference to “water vapour,” which of the following statements is/are correct?
1. It is a gas, the amount of which decreases with altitude.
2. Its percentage is maximum at the poles.
Select the answer using the code given below:

With reference to the Earth’s atmosphere, which one of the following statements is correct?