What is the innermost layer of the atmosphere,extending 17 kilometers above sea level at the tropics and about 7 kilometers above the earth's north and south poles?
A) troposphere
B) stratosphere
C) hydrosphere
D) geosphere
E) biosphere

Question

Quizplus · Accepted Answer

The troposphere is the innermost layer of Earth's atmosphere. It's where most of the weather phenomena occur, extending up to about 17 kilometers (about 10 miles) at the equator and shrinking to about 7 kilometers (about 4 miles) at the poles.

What Is the Innermost Layer of the Atmosphere,extending 17 Kilometers