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Tasya [4]
3 years ago
6

Airplanes reach cruising altitudes at the lower part of the Earth's stratosphere. This portion of the atmosphere is made up most

ly of and ?
Biology
1 answer:
Lerok [7]3 years ago
6 0

Answer:

The stratosphere is a layer of Earth's atmosphere. ... The troposphere, the lowest layer, is right below the stratosphere. ... Because of this, jet aircraft and weather balloons reach their maximum operational altitudes within the stratosphere. ... from the bottom of the stratosphere up to altitudes of 40 or 50 km (25 to 31 miles).

Explanation:

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