l. Fertilizer II. Insecticides III. Sewage IV. Crude oil V. Sulphur dioxide. The atmosphere can be polluted by
l only
lll only
lV only
ll and lV only
Correct answer is D
Pesticides that are sprayed on to fields and used to fumigate soil can give off chemicals called volatile organic compounds, which can react with other chemicals and form a pollutant called ground level ozone.
Sulfur dioxide (SO2) is a gaseous air pollutant composed of sulfur and oxygen. SO2 forms when sulfur-containing fuel such as coal, oil, or diesel is burned.