Which of the following statements is true?
Incandescent light bulbs are almost 100 percent efficient.
Heat is considered "lost" energy because it cannot be used for work.
An electric drill gains energy in the form of heat and sound.
Endothermic reactions release heat.
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an electric drill gains energy in the form of heat and sound is right option
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Answer:
B-Heat is considered "lost" energy because it cannot be used for work.
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