Write the two advantages of atmospheric pressure.
Answers
Answer:
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ADVANTAGES OF ATMOSPHERIC PRESSURE ARE AS FOLLOWS:-
- ATMOSPHERIC PRESSURE HAS IMPORTANT EFFECTS ON WATER CHEMISTRY AND WEATHER CONDITION .
- IT AFFECTS THE AMOUNT OF GAS THAT CAN DISSOLVE IN WATER. LIKE OXYGEN CAN DISSOLVE IN HIGH PRESSURE MORE THAN LOWER AIR PRESSURE.
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Answer:
- Atmospheric pressure primarily hold us in shape. If this pressure disappeared suddenly we would start expanding due to the air inside our body and burst.
- Also the blood in our arteries would surge to the surface of our skin as the blood pressure 120/80 mm of Hg is so regulated that it is lower then the atmospheric pressure 760 mm Hg.
Explanation: Atmospheric pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified area). Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates the height of a column of mercury that exactly balances the weight of the column of atmosphere over the barometer.
Atmospheric pressure is also measured using an aneroid barometer, in which the sensing element is one or more hollow, partially evacuated, corrugated metal disks supported against collapse by an inside or outside spring; the change in the shape of the disk with changing pressure can be recorded using a pen arm and a clock-driven revolving drum.
- Atmospheric pressure primarily hold us in shape. If this pressure disappeared suddenly we would start expanding due to the air inside our body and burst.
- Also the blood in our arteries would surge to the surface of our skin as the blood pressure 120/80 mm of Hg is so regulated that it is lower then the atmospheric pressure 760 mm Hg.
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