After the ban of plastic bags, students of one school decided to make the people aware of the harmful effects of plastic bags on environment and Yamuna River. To make the awareness more impactful, they organized rally by joining hands with other schools and distributed paper bags to vegetable vendors, shopkeepers and departmental stores. All students pledged not to use polythene bags in future to save Yamuna River.
After reading the above passage, answer the following questions.
(i) What values are shown by the students ?
(ii) What are biodegradable polymers ? Give an example.
(iii) Is polythene a condensation or an addition polymer ?
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(a) they r environmental friendly, kind, intelligent, caring
(b) polymers which can be decomposed by decomposers in soil r known in biodegradable polymer
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