Why does the height of the tropopause vary by latitude and throughout the year?

The tropopause height will vary with latitude and the season of the year. The tropopause height is higher in summer and lower in winter. The height is also higher at the equator and lower at higher latitudes. The tropopause acts as a barrier to resist the exchange of air between the troposphere and the stratosphere.

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people cluster in places that have rich soil, fresh water, and mild climates.

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