Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

4. Water

Properties of Water- Density

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Properties of Water- Density

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Properties of Water- Density Example 1

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Problem

Solid substances are normally more dense than liquid substances. However, solid ice is LESS dense than liquid water. Why is this characteristic of solid ice important for life?

a) This characteristic allows lakes to freeze solid.

b) This characteristic allows the surface water of lakes to freeze.

c) This characteristic ensures that salt water does not freeze.

d) This characteristic is not important for life.