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Filtration, coagulation, settling basins and aeration are some examples of water treatment and is denoted as option A.
<h3>
What is Filtration?</h3>
This is a technique which is used to separate solids from a liquid or gas substance.
This alongside others mentioned above are used in treating water to remove contaminants and make it safe for drinking and other uses.
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Answer:
The answer is A. The decision-making model
Because the older they are the have a lot of health problems
