The main atmospheric layer near the surface of the Earth is

Options

A. (a) stratosphere
B. (b) troposphere
C. (c) mesosphere
D. (d) ionosphere

Answer

B

Explanation

Troposphere is the lowest region of the atmosphere which extends from the Earth.s surface to a height of about 6–10 km. It contains approximately 75% of the was atmosphere.s mass and 99% of the total mass of water vapor and aerosols.