
Concept explainers
(a)
The energy source for the motion of gas in the atmosphere.

Explanation of Solution
Introduction:
In atmosphere there are number of gases present. These gas molecules are in continuous motion.
Sun is the biggest source of energy for the motion of gases in atmosphere. If sunlight is not there, temperature of gas molecules decreases. Gas molecules may get converted into solid and liquid. It will get settle down on earth's surface.
Conclusion:
Solar energy is the source of energy due to which molecules of gas are in motion.
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Chapter 20 Solutions
Conceptual Physics: The High School Physics Program
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