Question

In cold countries, water pipes sometimes burst, because

Answer 1

First off, it's important to note that pipes don't always burst once they've been frozen. It's the thawing of the pipes that can be your biggest problem. It would seem that pipes burst when the temperature goes below freezing because water expands as it freezes

Water pipes burst because the water inside them expands is it gets close to freezing, and this causes an increase in pressure inside the pipe. When the pressure gets too high for the pipe to contain, it ruptures

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Answer 2

Water pipes burst because the water inside them expands as it gets close to freezing point, and this causes an increase in pressure inside the pipe. When the pressure gets too high for the pipe to contain, it ruptures....

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