PLEASE ANSWER ASAP!
Lai is trying to listen to a radio station for weather updates during a storm. The storm is causing electrical interference that affects radio waves. She knows that the weather station broadcasts both an analog and a digital radio signal.

Which signal would most likely be clearer during this storm, and how do you know?

(Choice A)
The analog signal because it can always be heard even when interference is high.

(Choice B)
The analog signal because interference can be filtered out of the signal.

(Choice C)
The digital signal because it can always be heard even when interference is high.

(Choice D)
The digital signal because interference can be filtered out of the signal.

A radio signal makes use of the radio waves. The radio waves are long wavelength electromagnetic waves which are able to travel across a long distance. The signal can be transmitted in both analogue and digital formats.

However, the digital signal seems to be free from certain interferences that are caused by the scattering of the waves across distances. This could diminish the quality of sound that is heard.

Thus, the digital signal can always be always be heard even when interference is high.

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