3 years ago

Please help me I don’t understand

Engineering

2 answers:

Lapatulllka [165]3 years ago

4 0

Answer:

A battery changes chemical energy to <u>electrical</u> energy

A drum changes mechanical energy to <u>sound</u> energy

Explanation:

A battery is a device that stores chemical energy and converts it to electrical energy.

Beating a drum represents a mechanical to sound energy conversion.

Viktor [21]3 years ago

4 0

The answer is Electrical and Sound

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