Two non-metallic oxides A and B are produced by burning of fossil fuels. A pollutes both air and water. B does not cause water pollution and its presence in water is essential. It causes air pollution. Identify A and B.

Options

A. `NO_2, SO_2`
B. `SO_2, CO`
C. `SO_2, CO_2`
D. `CO_2, NO_2`

Answer

C

Explanation

.A. can be `SO_2` or `NO_2` because they pollute air and cause acid rain to pollute water. .B. can be `CO_2` since it does not cause acid rain. Its presence in water is essential for aquatic plants. It is considered as an air pollutant as it results in global warming