Multiple Choice
The only two layers of Earth's atmosphere that have temperature gradients that allow convection to take place are
A) the troposphere and the thermosphere.
B) the mesosphere and the stratosphere.
C) the thermosphere and the stratosphere.
D) the troposphere and the mesosphere.
E) the troposphere and the stratosphere.
Correct Answer:

Verified
Correct Answer:
Verified
Q87: Most of Earth's present-day atmosphere comes from
Q88: The best way to use a telescope
Q89: If you found absorption from _ in
Q90: If the average CO<sub>2</sub> molecule in Venus's
Q91: The greenhouse effect is the<br>A) trapping of
Q93: Based solely on mass and distance from
Q94: What makes carbon dioxide a highly effective
Q95: Venus and Earth probably formed with similar
Q96: How does the fraction of oxygen in
Q97: What factors drive the long-term periodic variations