Increase in carbon dioxide in the atmosphere is caused by which of the following reasons?I) Excessive use of fossil fuelsII) DeforestationIII) Increased number of vehiclesIV) Excessive use of solar heaters

Increase in carbon dioxide in the atmosphere is caused by which of the

1.	Increase in carbon dioxide in the atmosphere is caused by which of the following reasons?I) Excessive use of fossil fuelsII) DeforestationIII) Increased number of vehiclesIV) Excessive use of solar heaters
A.	I and II
B.	I, II and IV
C.	I, II and III
D.	I, II, III and IV
Answer» D. I, II, III and IV