B. Fill in the blanks. 1. Complex network of food chains is called 2. The impurities present in waste water are called 3. World Water Day is celebrated every year on 4. Producers are also called waste. 5. Soaps and detergents are
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1. Food web .
2. Pollutants .
3. 22 March .
4. Autotrops .
5. Base .
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1.food web
2The impurities present in the waste water is called pollutants or contaminants
3 22 March 1993
4In the field of waste management, extended producer responsibility (EPR) is a strategy to add all of the environmental costs associated with a product throughout the product life cycle to the market price of that product.
5 Soaps and Detergents are chemical compound or mixture of compounds used as a cleansing agent.
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