Biology homework help. Question:1.In the United States, what frequency range is reserved for FM Broadcast Radio?a. 100-4000 Hzb.88-108 MHzc. 400 – 2483.5 MHzd.530 – 1,620 KHz2. Why does FM Radio sound better than AM Radio for music?a. Because FM stations don’t transmit as far so the signal is strongerb. Because only music stations broadcast on FMc. Because FM is a new technologyd. Because FM broadcast allows modulation frequencies of 100-15,000 Hz.3.This is a dish antenna with a lot of gain, designed to communicate with deep space satellites. The radio antenna pictured above has motors that point it at satellites. Why does the antenna need to move to work?