Multiple choice

Which of the following is the topmost layer of the atmosphere?

  1. Troposphere

  2. Exosphere

  3. Stratosphere

  4. Mesosphere

  5. Thermosphere

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

This is the correct option. Exosphere is the topmost layer of the atmosphere. This is the outermost region of the Earth's atmosphere, lying above the thermosphere and extending thousands of kilometres into space.