<span>2H2 + O2 → 2H2O</span>
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<span>okay???</span>
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Planets, black wholes gravity
- Light energy from sun is converted into electrical energy in a solar cell.
- Electrical energy is stored as chemical energy in the solar cell.
- Chemical energy is converted back into electrical energy at night.
- Electrical energy is converted into light energy from the street lamp.
