Multiple choice

The thermosphere is separated into two layers, the ________ and the _________

  1. ionosphere and exosphere

  2. Mesopshere and thermosphere

  3. atmosphere and exosphere

  4. Thermosphere part one and two

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The thermosphere is the outermost layer of the atmosphere and is divided into the ionosphere (lower part) and the exosphere (upper part).