Carbon monoxide emitted by automobiles directly contributes to
(a) Water pollution
(b) Noise pollution
(c) Land pollution
(d) All the people
Carbon monoxide emitted by automobiles is a colourless and harmful gas that contributes to air pollution. As automobiles make use of fuels such as petrol and diesel, they emit carbon monoxide, which causes air pollution and harms the environment.
Note- The correct option is not given in the question.