Question

Primary source of fuel on earth ________ (please give me the answer ASAP and if you don’t know then don’t answer and please don’t spam. I WILL MARK THE PERSON BRAINLIEST WHO WILL GIVE ME THE CORRECT ANSWER)

Answer 1

Answer:

Primary sources can be used directly, as they appear in the natural environment: coal, oil, natural gas and wood, nuclear fuels (uranium), the sun, the wind, tides, mountain lakes, the rivers (from which hydroelectric energy can be obtained) and the Earth heat that supplies geothermal energy.

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Answer 2

Answer:

coal

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