Which of these facts are true with regard to wastewater tre…

Biology Environmental Issues ( Not In Syllabus ) Single Correct MCQ

Published on: August 20, 2026

Which of these facts are true with regard to wastewater treatment in the town of Arcata, California?

The cleaning occurs in two stages.

In the first stage, conventional sedimentation, filtering and chlorine treatment are given.

In the second stage biologists developed a series of six connected marshes of over 60 hectors of marshland, appropriate plant, algae, fungi and bacteria are seeded in this area, which neutralizes, absorb and assimilates the pollutants.

All the above

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