Question

Which is the major source for Sulphur dioxide?

Volcanic eruptions
Coal and crude oil combustion
Burning of petrol
Sewage treatment process

Answer 1

Volcanic eruption is the major source for Sulphur Dioxide (SO2).

Coal & Crude Oil Consumption -> Carbon Dioxide (CO2)

Burning of petrol -> Carbon Monoxide (CO)

Sewage treatment process -> Methane (CH4)

:-)