What separates the layers of the atmosphere?

Answer 1

Layers that we call "pauses" and they generally are determined by temperature contrast.

I'll focus on the tropopause, which is the first pause and what divides the troposphere from the stratosphere. According to Gay-Lussac's law, air cools as it rises through the troposphere because of the reduced air pressure. In the tropopause, the lapse rate, or rate at which temperature changes with height, changes from cooling with height (as in the troposphere) to neutral (basically no change with altitude) to eventually warming with altitude, which is what we see in the stratosphere.

By the way, the ozone layer is located at this point in the atmosphere, and the reason we see warming in the stratosphere is because of the ozone's ability to absorb UV light.

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Answer 2

The layers of the atmosphere are separated by distinct boundaries known as "pauses." These pauses include the tropopause, which separates the troposphere and the stratosphere; the stratopause, which separates the stratosphere and the mesosphere; and the mesopause, which separates the mesosphere and the thermosphere.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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