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When air sinks, it:_________

(a) compresses and warms.
(b) reaches its equilibrium level and then begins to sink.
(c) expands and cools.
(d) forms into clouds.

User Nrlakin
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1 Answer

6 votes

Answer:

a) compresses and warms.

Step-by-step explanation:

When air sinks, it falls down and compresses the air close to the surface of the ground, which raises the temperature of the air (since compression results in a rise in temperature). Also, as the air sinks, it prevent the already warm air close to the surface from rising, further increasing its own temperature, warming it up.

User David Carek
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