3. A fuel, that is not obtained by refining petroleum, is-
(a) petrol
(b) diesel (c) kerosene (d) biogas
4. Out of the following, the energy source, that is a renewable energy
source, is-
(a) petrol
(b) wind
(c) diesel
(d) coal
5. Coal, a common fossil fuel, is formed-
(a) from the waste of animals.
(b) from dead sea-creatures.
(c) by decay of water plants.
(d) by decay of vegetation, under heat and high pressure, over a long
period of time
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Answer:
3. (D) BIOGAS
4. (B) wind
5. (D) by decay of vegetation, under heat and high pressure over a long period of time.
Answer:
3:- Option D is right answer
4:- Option B is right answer
5:- Option B is right answer