In the atmosphere as your altitude (height) , the air pressure

Altitude increases, air pressure decreases

Altitude decrease, air pressure increases

Explanation:

Altitude and air pressure have an inverse relationship. This means that when one variable increases, the other variable decreases.

For example, as altitude or height increases, air pressure decreases. Also, when altitude or height decrease,  the air pressure increases.

This is because, when you are at a lower altitude, there is more air above you, which creates more air pressure.

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explanation:

the dark variety, as they are not visible on the dark tree barks

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