The troposphere:

A) is thinnest at the tropics.
B) maintains a relatively constant temperature.
C) is thicker in summer.
D) often disappears near the poles in winter.


Answer: C

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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A(n) ________ is a gently sloping erosional surface, commonly covered with a veneer of gravel, cut into the solid rock of a mountain.

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