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tectonic plates
Subsidence.
Elevation
Height above earths surface is called elevation
Currents of cold sinking air produce regions of higher pressure at the Earth's surface. As air sinks, it compresses and becomes denser, leading to an increase in pressure at the surface. This high pressure often leads to fair weather and clear skies.
The height above sea level at any point on Earth's surface is referred to as the elevation or altitude.
Location and elevation of Earths surface features.
elevation
Physical map
The dense air sinking towards the Earth's surface is called subsidence. Subsidence can lead to high pressure systems and stable weather conditions.
These are glaciers.
A surveyor is the individual who measures the Earth's elevation and establishes benchmarks by placing markers called bench marks at various locations. These benchmarks are used as reference points for future surveys and construction projects.