Q12Multiple choice
In the following groups of materials, which group (s) contains only non-biodegradable items? (i) Wood, paper, leather (ii) Polythene, detergent, PVC (iii) Plastic, detergent, grass (iv) Plastic, bakelite, DDT
- (a)(iii)
- (b)(iv)
- (c)(i) and (iii)
- (d)(ii) and (iv)
Show answer
(d) (ii) and (iv)