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How does the ionosphere affect radio frequencies?
Group of answer choices

FM frequencies are not reflected and shortwave frequencies are bounced off the ionosphere and back to Earth several times.

FM frequencies are bounced back to Earth and back several times.

Shortwave radio frequencies are absorbed by the ionosphere and FM frequencies pass through.

Shortwave radio frequencies are not affected and pass through the ionosphere.

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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.

Answer:Shortwave radio frequencies are not affected and pass through the ionosphere.

Explanation:

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