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How can a wave carry information?

A. The transmitter changes the form of the wave. The receiver then decodes the changes that have been made to the wave.

B. The transmitter changes the angle in which the wave is sent. The receiver detects the changes in the angle and decodes them.

C. The transmitter changes the wave type between mechanical and electromagnetic. the receiver detects and decodes these switches.

D. The transmitter sends a wave. The receiver reflects this wave. The transmitter then decodes the changes made to the wave.

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petersondori
a transmitter “encodes” or modulates messages by varying the amplitude or frequency of the wave – a bit like Morse code. At the other, a receiver tuned to the same wavelength picks up the signal and 'decodes' it back to the desired form

I think it’s A or D

Answer:

The transmitter changes the angle in which the wave is sent. The receiver detects the changes in the angle and decodes them.

Explanation:

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