How can raw water treated in city when supply system for class 5 in the short answer

Biology

1 answer:

jekas [21]2 years ago

7 0

Answer:

➢ Raw water must be treated or clarified prior to being used as makeup water in most utility processes. Clarification removes suspended and dissolved solids, bacteria, and other forms of impurities to help prevent system scale, corrosion, and fouling.

Explanation:

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Answer:

The initial amount, 1.3 million = 1,300,000 is the 100%.

now, 640,000 is a given percentage (lower than 100%) of that.

How we can find it?

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