Match column-I with Column-II.
| Industry |
Waste/pollution |
| (i) Cotton mills |
(a) Biodegradable waste |
| (ii) Paper mills |
(b) Gypsum |
| (iii) Fertilizer |
(c) Non biodegradable waste |
| (iv) Thermal power plant |
(d) Fly ash |
(1) i → c; ii → a, b; iii → c, iv → b
(2) i → a; ii → a; iii → b; iv → d
(3) i → a, c; ii → b; iii → b, iv → a
(4) i → c; ii → b, c; iii → b, c; iv → a
