Q24 of 25 Page 3

Whether following materials are biodegradable or non-biodegradable: i. peels of vegetable and fruit peels, leftover foodstuff etcii. paperiii. cotton clothiv. woolen itemsv. woodvi. tin, aluminium and other metal cansvii. plastic bags

i. biodegradable ii. biodegradableiii. biodegradableiv. biodegradablev. biodegradablevi. non- biodegradablevii. non – biodegradable

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21 Write some properties of plastic which make them as materials of choice 22 Write short notes on the following  a. plastic and health care industry b. plastic cookware c. Teflon d. fire proof plastic 23 What are biodegradable and non-biodegradable materials? 25 What are the 4 ways to overcome the problem of waste accumulation?