Multiple choice general knowledge

The ionosphere, the part of the atmosphere that is ionized by solar radiation, stretches from 50 to 1,000 km.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

True. The ionosphere extends from approximately 50 km to 1,000 km above Earth's surface. This region is ionized by solar and cosmic radiation, creating free electrons that enable radio communication by reflecting certain radio frequencies back to Earth.

Keep practicing — related questions