1.3.3 Atmospheric pressure Flashcards

1
Q

Describe a model of the Earths atmosphere?

A

A single layer of gas that covers the Earth to a height of about 700km

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1
Q

Describe atmospheric pressure?

A

The pressure that the gases of the atmosphere exert

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2
Q

Why atmospheric pressure varies with height above the surface of the planet?

A

The further away from the earth you are the lower the atmospheric pressure gets, which means less air above pushes down.

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