maricelycolon
maricelycolon maricelycolon
  • 25-05-2016
  • Chemistry
contestada

What happens to metal railroad tracks during the heat of a summer day?

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keelicx
keelicx keelicx
  • 26-05-2016
The rails expand during the heat of a summer day
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redar redar
  • 28-05-2016
They expand and that is why there are small gaps
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