Why do sidewalks have built in cracks every few feet

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asked May 20, 2016 208k views

1 vote

Why do sidewalks have built in cracks every few feet

Chemistry
middle-school

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by Tangiest

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1 Answer

7 votes

because land moves and it cracks and water gets in between the crack s

Richard Ackon answered May 25, 2016

by Richard Ackon

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