Which of the following is responsible for the differences in summer and winter temperature stratification of deep temperate zone lakes?

A) Water is densest at 4 °C.
B) Oxygen is most abundant in deeper waters.
C) Winter ice sinks in the summer.
D) Stratification is caused by a thermocline.
E) Stratification always follows the fall and spring turnovers.


Answer: A

Biology & Microbiology

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