Multiple choice

Directions: Choose a correct option from the following. Which atmospheric layer reflects radio waves?

  1. Ozone layer

  2. Ozonosphere

  3. Ionosphere

  4. Troposphere

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

The ionosphere contains a high concentration of ions and free electrons, which allows it to reflect radio waves back toward the Earth's surface, enabling long-distance communication.