Question

Which layer of the atmosphere is the safest to travel and why?​

Answer 1

your answer is in the attachment

Answer 2

$\huge\mathcal\fcolorbox{pink}{azure}{Answer♡}$

The troposphere is the lowest level of Earth's atmosphere. Above it, however, is the stratosphere, followed by the stratopause and then the mesosphere. Commercial jets can certainly fly above or below the troposphere, but this layer of the atmosphere offers ideal flying conditions for several reasons.