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Coal and Petroleum
Fill in the blanks.
(a) Fossil fuels are _____, _____and _____.
(b) Process of separation of different constituents from petroleum is called _____.
(c) Least polluting fuel for vehicle is _____.
(a) Fossil fuels are Coal, Petroleum, and Natural Gas.
(b) Process of separation of different constituents from petroleum is called Refining.
(c) Least polluting fuel for vehicle is Compressed Natural Gas (CNG).
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