Why the bio remediation is a series of processes for wastes?

It is a series of processes for waters because it break down organic substances in water so that it will not result or cause pollution when water is released into the environment.

Explanation:

Bio remediation is a natural process in which microorganisms is use to clean and treat contaminated water, soil and surface. This process ensure the growth of microorganisms that feed on the contaminants present in the such contaminated media. It can be use to kill oil souls and other contaminated media. It is use as series of process in water so as to break down organic substances or contaminants in water so that it will not cause pollution when the water is released.

answer; i believe the correct answer is (a)0

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion