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Combustion of fossil fuels generates a lot of air pollution. Can

you suggest any two alternative sources of energy which do not
cause any pollution?

Science - Exemplar Problems

Chapter 18. Pollution of Air and Water


Cng is one fossil fuel which is cleaner and geothermal energy
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Instead of fossil fuels LPG and CNG can be used as they are eco-friendly and causes no harm to the environment.As a result, they help in reducing the air pollution.
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