how do represent the distance below and above the sea level
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Answer:
Altitude is used to represent the distance below and above the sea level.
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Answer:
Altitude is used to represent the distance below and above the sea level.
Step-by-step explanation:
Altimeters are important navigational tools for aircraft and spacecraft pilots to track their height above the Earth's surface. Skydivers and climbers also use altimeters to determine their position in the sky or on the ground.
The most common types of altimeters are barometric. They determine altitude by measuring air pressure. Air pressure decreases with increasing altitude. At high altitudes, the air density is lower (thinner). It exerts less pressure on the Earth below.
Altimeter readings change as altitude changes. The atmospheric pressure at Denali, Alaska, United States is about half that of Honolulu, Hawaii, United States. Honolulu is a city at sea level.
Altitude data can also change due to weather, as air pressure drops during thunderstorms.
A simple barometric altimeter contains a sealed metal chamber, a spring, and a pointer that shows altitude in meters or feet. The chamber expands as the air pressure decreases and contracts as it increases, bending the spring and moving the pointer. The altimeter can be mounted on the aircraft dashboard or worn on the wrist.
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