Which atmospheric layer is defined by the end of the standard lapse rate?

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Multiple Choice

Which atmospheric layer is defined by the end of the standard lapse rate?

Explanation:
The key idea is how temperature changes with height in the standard atmosphere. Temperature typically decreases with altitude through the troposphere at about 2°C per 1,000 feet (roughly 6.5°C per kilometer). The end of this standard lapse rate occurs at a boundary called the tropopause. This marks the top of the troposphere and the start of the stratosphere, where the temperature gradient changes and may even increase with height due to ozone heating. So the layer defined by the end of the standard lapse rate is the tropopause—the boundary between the troposphere and the stratosphere.

The key idea is how temperature changes with height in the standard atmosphere. Temperature typically decreases with altitude through the troposphere at about 2°C per 1,000 feet (roughly 6.5°C per kilometer). The end of this standard lapse rate occurs at a boundary called the tropopause. This marks the top of the troposphere and the start of the stratosphere, where the temperature gradient changes and may even increase with height due to ozone heating. So the layer defined by the end of the standard lapse rate is the tropopause—the boundary between the troposphere and the stratosphere.

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