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Understanding Wastewater

Based on what you read, what is wastewater?
A a kind of dirty water that is created when a paper mill makes paper
B a special coating put on paper to make it heavy or shiny
C a chemical that is added to paper to give it different colors
D a type of thick glue used to keep the pages in a book together




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What is the capital of Egypt? ( Cairo )

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  1. The correct answer is A: a kind of dirty water that is created when a paper mill makes paper.

    Explanation: Wastewater is any water that has been used and contaminated with various substances, which typically occurs in industrial processes like paper manufacturing. This dirty water often requires treatment before being released back into the environment to reduce pollution. If you have more questions about this topic or need further clarification, feel free to ask!

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