Options: A). transmitters B). amplifiers C). band receivers D). radio receivers
Given those answer options, answer the question: Answer the following question given this paragraph: In radio broadcasts, sounds are encoded in radio waves by changing either the amplitude (AM) or frequency (FM) of the waves. The encoded waves are broadcast from a tower and changed back to sounds by radio receivers. Q: What changes encoded waves which are being broadcast into sounds? A:
A:
D).