Question

What is air pressure ? Std Vll Science​

Answer 1

Answer:

Air exerts pressure in all directions. The pressure exerted by air is called the air pressure, which is the thrust exerted by air per unit area. The weight of the air acting on a unit surface area is called the atmospheric pressure.

Explanation:

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Answer 2

Answer: This may help you

Explanation:

Air pressure is the weight of air molecules pressing down on the Earth. The pressure of the air molecules changes as you move upward from sea level into the atmosphere. The highest pressure is at sea level where the density of the air molecules is the greatest. Measuring air pressure on island of Hawaii.