Geography · Atmosphere
Which specific layer of the ionosphere is primarily responsible for reflecting shortwave (high-frequency) radio waves back to Earth?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1D and E layer combination
- 2F layer (Appleton layer)✓
- 3E layer
- 4D layer
Correct answer
F layer (Appleton layer)
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