Answering which question would best allow you to dig deeper into the content at the heart of the passage? Why does a fresh water body, when cooled, start freezing from the surface downward? Why does the behavior of fresh water cooling by convection change at 4°C? Can the temperature of the air above a fresh water body be subzero at the end of summer? Can ice form on the surface of fresh water if the lower layers are not frozen?

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Jakayla Potts

4 December, 05:14

Answering which question would best allow you to dig deeper into the content at the heart of the passage? Why does a fresh water body, when cooled, start freezing from the surface downward? Why does the behavior of fresh water cooling by convection change at 4°C? Can the temperature of the air above a fresh water body be subzero at the end of summer? Can ice form on the surface of fresh water if the lower layers are not frozen?

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Douglas Andersen · Answer 1

"Why does a fresh water body, when cooled, start freezing from the surface downward" would be the best question since this would explain all the difference processes.