Question

the main source of natural energy is​

Answer 1

The main source of solar energy is the SUN. Energy is produced by nuclear fusion in the core region through a series of steps called the p–p (proton–proton) chain in the surface of the sun; this process converts hydrogen into helium and massive light and heat energies.

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Answer 2

I hope this wil hepl u.

The main source of natural energy is​ Primary energy sources take many forms, including nuclear energy, fossil energy -- like oil, coal and natural gas -- and renewable sources like wind, solar, geothermal and hydropower.