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(C) Water exhibits an anomalous expansion property. When water cools down to $4^{\circ}C$,its density is maximum. As the temperature drops below $4^{\

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High density

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(C) Water exhibits an anomalous expansion property. When water cools down to $4^{\circ}C$,its density is maximum. As the temperature drops below $4^{\circ}C$,water expands and its density decreases. Consequently,the ice formed at the surface is less dense than the liquid water below it,causing the ice to float. This layer of ice acts as an insulator,preventing the heat loss from the water below and keeping it in a liquid state,which supports aquatic life.

Column-$I$	Column-$II$
$i$. Gravitational water	$a$. Water absorbed and held by soil particles.
$ii$. Hygroscopic water	$b$. Water present in pores between soil particles.
$iii$. Combined water	$c$. Water that percolates deep into the soil.
$iv$. Capillary water	$d$. Present in the form of hydrated oxides of silicon or aluminium.

Which property of water prevents the water in lakes or oceans from freezing completely?

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