Question

this form of remediation involves injecting microorganisms into the contaminant plume and allowing them to consume the pollutant.
a contaminant remediation
b bioremediation
c pollution remediation
d chemical remediation

Explanation:

The description refers to using microorganisms to break down pollutants, which is the specific definition of a remediation method focused on biological agents. The other options are either broad categories or refer to non-biological remediation approaches.

Answer:

b. Bioremediation