1. what is visible light composed of?
a. gamma rays
b. radio waves
c. ROYGBIV
d. radar
2. what is not part of the electromagnetic spectrum?
a. visible light
b.gamma rays
c. magnetic field
d. x-ray
3. which device uses mechanical energy to produce electrical energy?
a. electric motor
b. magnet
c. generator
d. solar cell
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Answer:
1.a
2.
3.c
that's all I know po