Mesosphere seems to be very important for the earth atmosphere why​

In the mesosphere and below, different kinds of gases are all mixed together in the air. Above the mesosphere, the air is so thin that atoms and molecules of gases hardly ever run into each other. The gases get separated some, depending on the kinds of elements (like nitrogen or oxygen) that are in them.

I HOPE IT'S HELP

your wrong the correct is d i did edunity and the answer

it's actually d for edge-nuity.