Question
When hot air rises up, the number of air particles in the region:
When hot air rises up, the number of air particles in the region:
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Solution
The correct option is A Decreases
Hot air being lighter rises up thereby decreasing the number of air particles in the region. So a region, deficient of air molecules i.e. a low pressure region is created below.
Decreases
Hot air being lighter rises up thereby decreasing the number of air particles in the region. So a region, deficient of air molecules i.e. a low pressure region is created below.
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