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Differentiate between biodegradable and non-biodegradable wastes. We generate a lot of non-biodegradable wastes in our daily life. Write any two harmful effects caused by these wastes if not disposed off properly.
Define the terms biodegradable and non-biodegradable substance. Classify the following items into these two categories : Newspapers, Glass bottles, Polythene bags, Vegetable peels
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