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Questions and Answers
Wastewater is transparent, colourless and Odourless. (True/False)
Wastewater is transparent, colourless and Odourless. (True/False)
True (A)
Primary treatment of wastewater is a chemical process. (True/False)
Primary treatment of wastewater is a chemical process. (True/False)
False (B)
Forests can exist in the polar regions. (True/False)
Forests can exist in the polar regions. (True/False)
True (A)
Sewage mainly consists of human excreta. (True/False)
Sewage mainly consists of human excreta. (True/False)
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