Pookiefoof99
Pookiefoof99 Pookiefoof99
  • 28-02-2015
  • Physics
contestada

Explain why most sidewalks have built in cracks every few feet

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andres2003
andres2003 andres2003
  • 28-02-2015
It is because if it was one big piece, the concrete would break.
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