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Why do sidewalks have built-in cracks every few feet
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Apr 21, 2016
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Why do sidewalks have built-in cracks every few feet
Chemistry
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Guvanch
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because it cracks. Water gets in it and when its cold it frezes which forces get wider......if you could help me with my question on my cite it would be great thanks
Liat
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Apr 25, 2016
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