Fill in the following blanks with suitable words (a) Fossil fuels are and (b) Coal contains mainly (c) The slow process of conversion of dead vegetation into coal is called (d) The process of separation of different constituents from petroleum is (e) The least polluting fuel for vehicle is (f) The burning of fossil fuel causes air and also causes global
ScienceClass 8ICSEAnswered 28 Mar 2026
Answer
Answer
- Fossil fuels are coal, petroleum, and natural gas.
- Coal contains mainly
- The slow process of conversion of dead vegetation into coal is called
- The process of separation of different constituents from petroleum is
- The least polluting fuel for vehicle is CNG
- The burning of fossil fuel causes air pollution and also causes global
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