Answer:
In AM broadcasting, the amplitude of the carrier wave is modulated to encode the original sound. In FM broadcasting, the frequency of the carrier wave is modulated to encode the sound. A radio receiver extracts the original program sound from the modulated radio signal and reproduces the sound in a loudspeaker.
Answer:
it takes 365 days to revolve around the star(sun)
Well sorry but this is the wrong language.
Normally a storm surge.
Experience: I lived through Andrew and Wilma