

McqMate
Q. |
A high Biological Oxygen Demand (BOD) indicates that: |
A. | water is pure |
B. | absence of microbial action |
C. | Low level of microbial pollution |
D. | High level of microbial pollution |
Answer» D. High level of microbial pollution |
View all MCQs in
Environmental Science and EcologyNo comments yet