Column I | Column II | |
(i) Phosphate fertilisers in water | (a) | BOD level of water increases |
(ii) Methane in air | (b) | Acid rain |
(iii) Synthetic detergents in water | (c) | Global warming |
(iv) Nitrogen oxides in air | (d) | Eutrophication |
Answer:
(i - a, d), (ii - c), (iii - a), (iv - b)
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