Question

_____ is an example of conventional energy sources.​

Answer 1

Answer:

coal, petroleum, natural gas and nuclear energy. Oil is the most widely used source of energy.

choose effective one

Answer 2

Answer:

coal, petroleum, natural gas and nuclear energy.

Explanation:

Coal is an example of conventional energy sources.

Petroleum is an example of conventional energy sources.

Natural gas is an example of conventional energy sources.

Any one you can write. Hope this helps you.

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