Question

Which atmospheric layer has around 80 percent of the mass of the earth's atmosphere?
a. troposphere b. thermosphere
c. stratosphere d. exosphere

Answer 1

Answer:

troposphere  

he troposphere begins at the Earth's surface and extends up to the stratosphere. It contains roughly 80 percent of the mass of the entire atmosphere and is where most familiar weather patterns form.

Answer 2

Answer: Troposphere

Explanation:

The troposphere is the atmospheric layer closest to the planet and contains the largest percentage (around 80%) of the mass of the total atmosphere.