Which of the following was
MOST responsible for the
turn-around in water quality
in Lake Washington?

A. adding additional fertilizers to the lake
B. adding excess pollutants to the lake
C. regulations on sewage treatment
D. addition of pollution-eating bacteria

Question

01-08-2022
Biology

Answered

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Which of the following was
MOST responsible for the
turn-around in water quality
in Lake Washington?

A. adding additional fertilizers to the lake
B. adding excess pollutants to the lake
C. regulations on sewage treatment
D. addition of pollution-eating bacteria

Sagot :

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tushargupta0691 tushargupta0691 · Answer 1 · 2022-08-05T06:33:14-04:00

Most responsible for the turn-around in water quality in Lake Washington is option c) regulations on sewage treatment.

What does sewage treatment mean?

To prevent water pollution from discharges of raw sewage, sewage treatment is a sort of wastewater treatment that tries to remove contaminants from sewage to generate an effluent that is appropriate for discharge to the surrounding environment or an intended reuse application. Sewage includes pre-treated industrial effluent as well as wastewater from homes, companies, and possibly other sources. There are many different sewage treatment methods available.

Decentralized systems (including on-site treatment systems) and huge centralized systems that transport sewage to a treatment facility via a network of pipes and pump stations are examples of these. Urban runoff (stormwater) from cities with combined sewers is also transported by the sewers to the sewage treatment facility. Sewage treatment often involves two main stages, called primary and secondary treatment.

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What does sewage treatment mean?

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