Renewable energy : Wind energy (powered by wind), Solar energy (powered by the sun), Hydro energy (water powered by rain, waves and tides), Geothermal energy (heat energy from the Earth), Non renewable energy : Crude oil (oil produced in the Earth), Natural gas, Coal, Nuclear energy,

renewable/nonrenewable

Табло

Визуален стил

Опции

Шаблон за превключване

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