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
Answered by
3
Answer:
1. Coal, Petroleum and Natural gas
2. Refining
3. CNG. (compressed natural gas)
hope it will be helpful
Answered by
2
a) Coal , Petroleum and Natural gases.
b) Petroleum refining
c) CNG
Explanation:
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