Q. What is the source of sulfur dioxide?
A. Powerstations and industries using fossil fuels
B. exhaust fumes of motor vehicles
C. incomplete burning of wood
D. none of above
Answer: Powerstations and industries using fossil fuels
A. Powerstations and industries using fossil fuels
B. exhaust fumes of motor vehicles
C. incomplete burning of wood
D. none of above
Answer: Powerstations and industries using fossil fuels