Which of the characteristics below describes the troposphere?
A. The topmost part of the earth's atmosphere
B. Earth's weather takes place in this layer.
C. It is where aurora borealis occurs.
D. Most satellites orbit in this layer​


Sagot :

Answer:

A

Explanation:

Most of the mass (about 75-80%) of the atmosphere is in the troposphere. ... The bottom of the troposphere is at Earth's surface

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