The Following Question(s) Relate to the Data Table Below, Showing

Multiple Choice

The following question(s) relate to the data table below, showing typical fluctuating pH and dissolved oxygen levels in a fish pond with a heavy concentration of algae over a 24-hour period.

-Upon closer examination,the fish appeared to have died from a lack of oxygen.What time of day did the fish most likely die?

A) Late at night
B) Just before dawn
C) In the middle of the afternoon
D) At sundown