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Assertion : Secondary treatement of sewa...

Assertion : Secondary treatement of sewage is also called biological treatment while primary treatment is called physical treatment.
Reason : Primary sewae treatment depends only upon sedimentation properies of materials present in sewage and filtration.

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Assertion : Secondary treatement of sewage is also called biological treatment while primary treatment is called physical treatment. Reason : Primary sewage treatment depends only upon sedimentation properties of materials present in sewage and filtration.

Assertion : Secondary treatement of sewage is also called biological treatment while primary treatment is called physical treatment. Reason : Primary sewage treatment depends only upon sedimentation properties of materials present in sewage and filtration.

Assertion : Secondary treatement of sewage is also called biological treatment while primary treatment is called physical treatment. Reason : Primary sewage treatment depends only upon sedimentation properties of materials present in sewage and filtration.

Why is secondary treatment also called biological treatment?

Secondary treatment of the sewage is also called Biological treatment Justify this statement and explain the process.

Seccondary treatment of the sewage is also called Biological treatment Justify this statement and explain the process.

In a sewage treatment plant, primary treatment is

In a sewage treatment plant, primary treatment is

'Secondary treatment is sewage water treatment is called biological'. Justify.