is the layer of the atmosphere where jets fly through and contains ozone layer

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.

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.

a is the best answer your welcome