Composition Of Atmosphere

3 Questions
  1. 1
    Consider the following statements :
    1. Statement I : The amount of dust particles in the atmosphere is more in subtropical and temperate areas than in equatorial and polar regions.
    2. Statement II : Subtropical and temperate areas have less dry winds.
    Which one of the following is correct in respect of the above statements?
    UPSC CSE I - 2025
  2. 2
    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 :
    UPSC CSE I - 2024
  3. 3

    Diffusion of light in the atmosphere takes place due to:

    UPSC CSE I - 2003