A lake starts freezing because of the cold atmosphere. It will first freeze

At the bottom

ln the middle pan

At the top surface

Uniformly throughout the water body

A lake starts freezing because of the cold atmosphere. It will first freeze At the top surface
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concept:
when the water freezes to ice, the ice becomes significantly less dense than the water and continues to float on the lake's surface.
Below 4° Celsius, water becomes less dense as it gets colder, causing water to freeze to float to the top.