Given below are some statements about air pollution.
I.?The oxides of sulphur and nitrogen cause breathing problems.
II.?Carbon monoxide is a poisonous gas.
III.?The suspended particulate matter (SPM) reduces the oxygen carrying capacity of blood.
IV.?Smog can lead to common cold
Which of the given set of statements is?correct?
Solution
The following statements are correct -
The oxides of sulphur and nitrogen cause breathing problems.
The following statements are correct -
The oxides of sulphur and nitrogen cause breathing problems.
​Carbon monoxide is a poisonous gas.
thus two statements are correct.
thus two statements are correct.