Question 15Choose the incorrect statement.(a) We are encouraged to plant more trees so as to ensure clean environment and also provide bio-mass fuel(b) Gobar-gas is produced when crops, vegetable wastes etc., decompose in the absence of oxygen(c) The main ingredient of bio-gas is ethane and it gives a lot of smoke and also produces a lot of residual ash(d) Bio-mass is a renewable source of energy

Question 15Choose the incorrect statement.(a) We are encouraged to pla

1.	Question 15Choose the incorrect statement.(a) We are encouraged to plant more trees so as to ensure clean environment and also provide bio-mass fuel(b) Gobar-gas is produced when crops, vegetable wastes etc., decompose in the absence of oxygen(c) The main ingredient of bio-gas is ethane and it gives a lot of smoke and also produces a lot of residual ash(d) Bio-mass is a renewable source of energy
Answer» Question 15 Choose the incorrect statement. (a) We are encouraged to plant more trees so as to ensure clean environment and also provide bio-mass fuel (b) Gobar-gas is produced when crops, vegetable wastes etc., decompose in the absence of oxygen (c) The main ingredient of bio-gas is ethane and it gives a lot of smoke and also produces a lot of residual ash (d) Bio-mass is a renewable source of energy