Question

why do water pipes burst when water running through them freezes during winter season?
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Answer 1

Answer:

because water freezes

Explanation:

when water freezes inside pipes, the water molecules expand. The ice then expands and pushes the water toward the faucet, causing a significant amount of pressure buildup between the ice blockage inside the pipe and the faucet

Answer 2

Answer:

due to thermal expansion of water in water pipes