Kenny is observing a device being used. He records the following energy transformations:
Chemical --> Electrical --> Light
Which device is Kenny most likely observing?

A. A triple beam balance measuring an objects mass

B. A pencil sharpener plugged into a wall outlet

C. A computer displaying an image on the screen

D. A battery-operated flashlight shining brightly


Answer 1


eu acho que é a B

um belo dia abençoado

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