What is the underlying cause of air motion?
The underlying cause of air motion.
Answer to Problem 11RQ
The underlying cause of air motion is the convection current.
Explanation of Solution
The combination of various natural gases present on the Earth's crust is known as air. The uneven heating of the air by the Sun causes the wind.
As warm air rises, it expands and cools. As the air rises, cooler air sinks to the region left by the rising warm air. Such motion constitutes a convection cycle and thermal circulation of the air. In other words, it is the convection current.
As the convection current stir the atmosphere, the result is wind. It is defined as the air with an average horizontal motion.
Conclusion:
Therefore, the underlying cause of air motion is the convection current.
Chapter 30 Solutions
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