A transmitter “encodes” or modulates messages by varying the amplitude or frequency of the wave – a bit like Morse code. At the other, a receiver tuned to the same wavelength picks up the signal and 'decodes' it back to the desired form
I think it’s A or D
Answer:2.47
Explanation: did the math
Density = Mass divided by Volume
Answer:
speed
Explanation:
according to your question, your answer is speed
