Q. Clearing of waste water in Arcata Marsh involves
A) Only conventional method of sewage treatment
B) Removal of dissolved heavy metals through biological process
C) Filteration, chlorination like chemical processes
D) Enhance the need for chemical fertilisers
Explanation
Cleaning of waste water in Arcata marsh involves removal of dissolved heavy metals through biological process
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.