Identify the layer of the atmosphere from the given features (A) and (B). (A) It contains a layer of Ozone gas. (B) It is almost free from clouds and associated weather phenomena.

Consider the following statements (A) and (B) and choose the correct option. (A) Air pressure varies according to temperature of air at a given place. (B) Areas with high temperature create a low-pressure area.

Which of the statements regarding latitude are correct? (A) The latitude is an imaginary circular line with varied radius. (B) The latitude is very important to know the local time. (C) Latitudes are measured in degrees. (D) The distance from the equator to either of the poles is one-fourth of the circle around the earth. Select the correct answer using the code given below: