Question

Radio waves transmitted in the layer of atmosphere

Answer 1

Answer:

The layer of the atmosphere that reflects radio waves is the ionosphere.

Answer 2

Answer:

radio transmissions

… transmissions is reflection off the ionosphere, a series of ionized layers of the atmosphere ranging in altitude from about 50 to 300 km (about 30 to 200 miles) above the Earth. Ionization is caused primarily by radiation from the Sun, so that the layers vary in height and in reflectivity