Which of the following air pollutant reduces the oxygen-carrying capacity of blood to a large extent?
(a) carbon dioxide
(b) nitrogen monoxide
(c) carbon monoxide
(d) sulphur dioxide
One of the following does not contribute to acid rain. That is : (a) nitrogen monoxide (b) sulphur dioxide (c) carbon monoxide (d) carbon dioxide
Which of the following gas does not contribute to the formation of acid rain ?
(a) nitrogen monoxide
(b) carbon monoxide
(c) sulphur dioxide
(d) nitrogen dioxide