What would happen to the metals if iron nails were used to secure sheets of copper to a roof?

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asked by ashley
  1. The iron nails, being above Cu in the acitivity series, will rust eventually (air and oxygen), but I don't think that will affect the copper roof. The copper roof, if uncoated, usually will turn green due to a water, CO2, O2 reaction but that is natural with copper.

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