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Which materials are easily removed from the polluted water?(a) Liquid(b) Solids(c) Dissolved(d) NutrientsThis question was addressed to me during an online exam.This is a very interesting question from Environmental Issues in section Environmental Issues of Biology – Class 12

Answer»

The CORRECT option is (B) Solids

For explanation I would say: The large-sized SOLID materials can be easily removed from the polluted water by physical or mechanical MEANS. These can be plastics, metals, sand, ETC.



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