Which of the following is // are correct match (i) Photochemical smog: SO_(2) (ii)Nitrate in drinking water : Blue baby syndrome (iii) Phosphate fertilisers in water : BOD level of water increases.

Which of the following is // are correct match (i) Photochemical smog:

1.	Which of the following is // are correct match (i) Photochemical smog: SO_(2) (ii)Nitrate in drinking water : Blue baby syndrome (iii) Phosphate fertilisers in water : BOD level of water increases.
Answer» only (i) (i) , and (II) (i), (ii) and (III) (i) and (iii) ANSWER :C