Multiple choice

At what altitude above the Earth does the stratosphere begin?

  1. aprox. 50 km.

  2. aprox.12km.

  3. at 0km.

  4. aprox. 80km.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The stratosphere begins at the top of the troposphere, which is at an altitude of approximately 12 km (ranging from about 8 km at the poles to 18 km at the equator). The boundary between these two layers is called the tropopause.

Keep practicing — related questions