4. (08.01 MC) Which of the following describes a property of water that helps sustain marine life forms? (5 points)
Open spaces in water's solid structure makes its solid state less dense than its liquid state.

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Water contracts on cooling below 4 °C, lowering its density until it reaches 0 °C.

Water freezes from bottom to top, which allows it to form a solid layer of ice only at the bottom of rivers and lakes.

Water has a very low specific heat capacity, allowing it to heat up quickly.