Question

Radio signals are transmitted to the earth from the atmospheric layer called

Answer 1

Answer:

ionosphere

Explanation:

…are abundant is called the ionosphere. These ions result from the removal of electrons from atmospheric gases by solar ultraviolet radiation. Extending from about 80 to 300 km (about 50 to 185 miles) in altitude, the ionosphere is an electrically conducting region capable of reflecting radio signals back to Earth.