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3 votes
The layer of the atmosphere where many airplanes fly to avoid thunderstorm and other turbulence is called ?

A) troposphere
B) stratosphere
C) mesosphere
D) thermosphere

User Bork
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2 Answers

2 votes
The answer would be D

User Maciej Kravchyk
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3 votes

Actual answer is B !

User Emanuele
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