Multiple choice

Which of the following options is correct about the direction of flow of air?

  1. Hot air flows from a colder region to a hottter region

  2. Air flows from a region of higher pressure to lower pressure

  3. Air flows from a region of lower pressure to higher pressure

  4. Air flows from a hotter region to a colder region
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Gases always move or flow from a region of higher pressure to lower pressure. As air is also a mixture of gases, it also moves in the same direction.

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