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leb28
The ozone layer is located in the stratosphere. Jets can fly through the layer below that, the troposphere, but they can also travel in the stratosphere.
Ver imagen leb28
lordsonmyk

Answer:

TROPOSPHERE

Explanation:

The TROPOSPHERE is the assumed lowest part of the atmosphere. It is the second layer.

Expert says jets can fly above or below this region, nonetheless, the TROPOSPHERE yet, is the most appropriate position for jets flying.