20. Jennie used microphone while singing.
A. Sound- Electrical Energy
C. Electrical- Sound Energy
B. Light - Electrical Energy
D. Electrical - Heat Energy
21. What form of energy comes from the Sun?
A. Electrical
B. Heat and Light
C. Mechanical Energy
D. Sound
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Answer:
20. C. Electrical - Sound Energy
21. B. Heat and Light
Explanation:
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