Oxygen sag curves
a. may occur during spring floods
b. occur when oxygen-demanding wastes are added to the water
c. develop in fast-flowing rivers
d. may occur upstream from a sewage treatment plant
e. all of these
Answer: B
Oxygen sag curves
a. may occur during spring floods
b. occur when oxygen-demanding wastes are added to the water
c. develop in fast-flowing rivers
d. may occur upstream from a sewage treatment plant
e. all of these
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.