Question

Kalau seperti ini bagaimana kalimat pasivenya?
1.A battery cell produces electricity by changing chemical energy into elctrical
2.a noise sends vibrations through the air and brain interperts these vibrations as sound
3.over a long period of time,the minerals replace the bones burried deep in the earth

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Answer 1

1. Electricity is produced by a battery cell by changing chemical energy into electrical.
2. Vibrations sent by a noise through the air and these vibrations be interperted by brain as sound.
3. Over a long period of time, the bones burried deep in the earth be replaced by the minerals.