Bodies of Fresh Water Undergo a Process Called Turnover, Which

question 6

Multiple Choice

Bodies of fresh water undergo a process called turnover, which typically happens in the spring and in the fall.Which of the following best explains this phenomenon?

• A)Water is most dense at 4 degrees Celsius, a temperature it reaches on the surface in the spring and in the fall, and it sinks to the bottom.
• B)When ice forms or melts, it causes currents to flow laterally, stirring up the water in the entire body.
• C)Ice forms and sinks to the bottom because it is heavier than water; this pushes bottom water upward.

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