Question

Name the layer which send back radio signals to the earth?

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Answer 1

Answer:

inosphere

Explanation:

the inner sphere is an electrically conductive region capable for of reflecting radio signals back to earth

Answer 2

Answer:

ionosphere

Explanation:

Due to the ability of ionized atmospheric gases to refract high frequency (HF, or shortwave) radio waves, the ionosphere can reflect radio waves directed into the sky back toward the Earth. Radio waves directed at an angle into the sky can return to Earth beyond the horizon