Turnover of Water in Temperate Lakes During the Spring and Fall

question 5

Multiple Choice

Turnover of water in temperate lakes during the spring and fall is made possible by which of the following?

• A) warm, less dense water layered at the top
• B) cold, more dense water layered at the bottom
• C) a distinct thermocline between less dense warm water and cold, dense water
• D) the changes in the density of water as seasonal temperatures change
• E) currents generated by nektonic animals

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