Question

Five points about conventional source of energy

Answer 1

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These include coal, petroleum, natural gas and nuclear energy. Oil is the most widely used source of energy. Coal, petroleum and natural gas account for about 90% of world's production of commercial energy and hydroelectric and nuclear power account for about 10%.

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Answer 2

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• Conventional sources of energy are non-renewable.
• They include coal , petroleum and natural gas.
• The efficiency of the energy source is high.
• These sources of energy have been in use since a long time.
• These can be considered to be one of the reasons for the cause of pollution.

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