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  • Fill in the blanks. Fossil fuels are_____

Q 4. 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 __________.

Answers (2)

best_answer

(a) Fossil fuels are coal and natural gas.
(b) Process of separation of different constituents from petroleum is called refining .
(c) Least polluting fuel for vehicle is CNG (compressed natural gas).

Posted by

manish

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(a) Fossil fuels are coal , petroleum and natural gas

(b) process of seperation of different constituents from petroleum is called refining

(c) least polluting fuel for vehicle is CNG

 

Posted by

Malik

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