In-situ based bio remediation involves introducing __________________ to contaminated areas.
A. Oxygen and nutrients
B. Carbon dioxide and methane
C. Nitrogen and CO2
D. CO and methane
Answer:D
In-situ based bio remediation involves introducing __________________ to contaminated areas.
A. Oxygen and nutrients B. Carbon dioxide and methane C. Nitrogen and CO2 D. CO and methane