A "clean zone" of water has
A) a high BOD (Biochemical Oxygen Demand) and a high DO (Dissolved Oxygen Level)
B) a low BOD (Biochemical Oxygen Demand) and a high DO (Dissolved Oxygen Level)
C) a low BOD (Biochemical Oxygen Demand) and a low DO (Dissolved Oxygen Level)
D) a high BOD (Biochemical Oxygen Demand) and a low DO (Dissolved Oxygen Level)
Correct Answer:
Verified
Q1: Acids can enter natural waters due to
A)industry,
Q3: Aerobes are forms of life which
A)can live
Q4: Anaerobes are forms of life which
A)can live
Q5: Arrange the zones of the open sea
Q6: At very low dissolved oxygen (DO) levels
Q7: Cold, clear lakes or streams with few
Q8: Discharge of one or more water pollutants
Q9: Eutrophication is the
A)overgrowth of algae in lakes
Q10: From a global perspective, the largest contamination
Q11: Groundwater (from wells), unlike surface water, can
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents