Question

4.The upper limit of the stratosphere is called
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Answer 1

Answer:

The lower boundary of the stratosphere can be as high as 20 km (12 miles or 65,000 feet) near the equator and as low as 7 km (4 miles or 23,000 feet) at the poles in winter. The lower boundary of the stratosphere is called the tropopause; the upper boundary is called the stratopause.

Explanation:

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Answer 2

Answer:

The upper boundary is called the stratopause.

Explanation:

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