Answer:
i think it might be c but i know its not A or B and im
on the fence for D so the best answer would be C
Explanation:
Done I don't know answer of this question or this photo is the answer can you tell me
A<span> barometer is used to measure air pressure. </span>
1. 2 way radio
2. radio waves
3. communication
4. convert the voltage from a transmitter into a radio signal
5. signal strength refers to the transmitter power output
6. sorry, not so sure.. Though it might be the waves.