Answer:
bioremediation
Explanation:
Bioremediation: The term bioremediation is defined as a process that uses living organisms to detach toxic contaminants present in the groundwater or soil. It is being used purposefully and successfully to clean pollutants, for example, gasoline, crude oil, sewage, pesticides, and chlorinated solvents which are being used in cleansing supplies.
In other words, it treats contaminated media that involves subsurface material, water, and soil by changing the environmental conditions.
In the question above, the given process is an example of bioremediation.
answer is A. On the contrary, agraian societies settle in a permanent place. they opted to settle down and cultivate land to grow their crops..
