Biology Our Environment CBSE Board 2026 Easy
Which of the following group is not ‘biodegradable’?
Which of the following group is not ‘biodegradable’ ?
- (a)Vegetable peels, dead leaves, paper
- (b)Cow dung, leather bag, water
- (c)Polythene bag, rubber band, ball pen
- (d)Paper, fruits, bones
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