Q: What changes encoded waves which are being broadcast into sounds?


Read this paragraph and choose the correct option from the provided answers:

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.

 Choices:

- transmitters

- amplifiers

- band receivers

- radio receivers


A:
radio receivers