1. When energy is transformed from one form to another, the total amount of energy remains even though many transformations occur. . A. equal B. the same C. increases D. decreases
2. Sound energy is produced by objects that moves back and forth or A. quickly B. vibrate rapidly C. vibrate quickly D. slowly
3. When you pluck the strings of the guitar, the strings vibrate, and sound is A. used B. produced C. transformed D. changed
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Answer:
1. B
2. C
3. D
Explanation:
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