General Science

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Question 1 of 25

When upper surface of a lake is freezed, the temperature of the water beneath it is _________.

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<span style="font-family:" arial;="" font-size:="" small;="">less than 4<sup style="font-family:" arial;="">°<span style="font-family:" arial;="" font-size:="" small;="">C

<span style="font-family:" arial;="" font-size:="" small;="">0<sup style="font-family:" arial;="">°<span style="font-family:" arial;="" font-size:="" small;="">C

4^°C

more than 4^°C

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