How did a citizen group called friends of Arcata marsh, Arcata California USA help to improve water quality of the marshland using integrated waste water treatment ? Explain in four steps.

Explanation

Waste water including sewage can be treated iun an integrated manner by utilising amix of a artifical and natural processes
(b) To combat tis an innovative approach was taken and the biologists develop[ed a sreies of six connected marshes over 60 hectares of marshland
(c ) Approp[riate plants algae becteria and fungi were seeded in to this area which neutralize absorb and assimilate the pollutants .Hence as the water flows through marshes it gets purified natureally
(d) The marshes also constitues a santuary with a high level of biodiverisity in the form of fishes animals and birds