In the first stage of sewage treatment,which | vedclass

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(A) The first stage of sewage treatment is known as primary treatment. This process involves the physical removal of large and small particles from th

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Physical particulate matter

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(A) The first stage of sewage treatment is known as primary treatment. This process involves the physical removal of large and small particles from the sewage through two main steps: $1$. Sequential filtration: This removes floating debris. $2$. Sedimentation: This allows grit (soil and small pebbles) to settle down. These materials are collectively referred to as physical particulate matter. Secondary treatment involves biological processes using bacteria and fungi.

In the first stage of sewage treatment,which materials are removed through filtration and sedimentation?

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