Multiple Choice
What percentage of Earth's water can be found in soil?
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3. Water
Properties of Water- Density
Multiple Choice
Which property of water allows marine life under the ice to survive through the winter?
A
Water is a universal solvent.
B
Water is less dense as a solid than as a liquid.
C
Water has a high surface tension.
D
Water has a high specific heat capacity.
Verified step by step guidance1
Understand the context: The problem is asking about a property of water that allows marine life to survive under ice during winter.
Identify the relevant property: Consider the unique properties of water, such as its density changes when it freezes, its ability to dissolve substances, its surface tension, and its specific heat capacity.
Focus on density: Water is unusual because it is less dense as a solid (ice) than as a liquid. This means ice floats on water.
Explain the biological significance: When ice forms on the surface of a body of water, it insulates the water below, maintaining a relatively stable temperature that allows marine life to survive.
Conclude with the correct property: The property that allows marine life to survive under ice is that water is less dense as a solid than as a liquid, allowing ice to float and insulate the water below.
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