Question

(b) from dead sea-creatures.
(c) by decay of water plants.
D. Answer the following questions in brief.
1. State the main function of a fuel.
4. Why is CNG called a better green fuel?
5. Name the three main fossil fuels.
(d) by decay of vegetation, under heat and high pressure, over
2. Give one example each of solid, liquid and gaseous fuels.
tation
period of time.
3. Why is biogas regarded as a better fuel than cowdung cakes
6. State two disadvantages of fossil fuels.
E. Answer the following questions.
5​

Answer 1

Answer:

cng is the answer of this question