Question

A point source discharges organic waste into a stream. Which of the following graphs best depicts the expected pattern for dissolved oxygen (DO) in this stream as a function of distance from the discharge point?a. E

b. D
c. B
d. C
e. A

Answer 1

Slight Downwards Curve

Step-by-step explanation:

Dissolved oxygen tends to be constant at upstream. When there is a discharge the dissolved oxygen goes down slowly.