3. Which of the following activities produces light?
.
A. switching on the lightbulb
B. changing color
C. turning on the radio
D. decaying of le:
A_4. Ed is playing an electric guitar. What transformation of ene
A. mechanical energy to sound energy to chemical energy
B. thermal energy to heat energy to mechanical energy
C. electrical energy to sound to heat
D. All of the above.
5. By conserving electrical energy, our electric bill will be
ctrical energy?
A. Leave the TV on.
B. Use air condi
C. Turn on the lights day and night. D. Unplugged a
Answers
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Answer:
all
Explanation:
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