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askal askal
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11 years ago
In which of the following processes is chemical energy converted to mechanical energy?  
 A. photosynthesis  
 B. a rock rolling down the hill  
 C. cellular respiration  
 D. muscle contraction
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wrote...
11 years ago
D. muscle contraction
ASJ
wrote...
11 years ago
D. Muscle contraction

When a muscle contracts a chemical is released to tell contract, the chemical reaction within the muscle causes it to move which is then considered mechanical energy.
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