The troposphere, the lowest layer of Earth's atmosphere, varies in thickness around the globe with narrower bands at the poles averaging 8km thick and wider bands at the equator averaging 16km thick.

2. AMALU.S
B.ED GEOGRAPHY
G.C.T.E THYCAUD

11. •The troposphere is thinner at the poles
(averaging about 8km thick) and thicker
at the equator (averaging about 16km
thick).