Q. Which among the following statements is/are correct about the troposphere?

1. The height of troposphere is about 8 km on the equator
2. The height of troposphere is about is about 18 km at the poles

Select the correct code from the options given below:
Answer: Neither 1 & 2
Notes: Troposphere is the lowermost layer of the earth's atmosphere. The height of troposphere is about 18 km on the equator and 8 km on the poles. The thickness of the troposphere is greatest at the equator. It contains dust particles and water vapour. This layer is called ‘changing sphere’ or troposphere because the air never remains static in this layer.