Mostly not: Most food gets stale from drying and fat oxidation. Some get stale from outright spoilage growing mold and bacterial contamination. The dry, fat oxdidated food might taste unpleasant but is not harmful. But the spoiled food should be discarded as it might contain toxins or bacterial that could be harmful. ...Read more.
Copper is a reddish brown color that resembles the metal copper. The first recorded use of copper as a color name in English was in 1594. Copper Country is an area in the northwestern Upper Peninsula of Michigan, an area which at one time was the world's greatest producer of copper. 2  Copper City is a village in Houghton County, Michigan.
Copper turns green because of a process known as oxidation which is the removal of electrons from the substance. Specifically, copper turns green because of something known as copper carbonate.This is the substance that is found on top of copperâwhether they be copper pipes, pennies, statues or anything else.opper turns green because of a process known as oxidation which is the removal of electrons from the substance. Specifically, copper turns green because of something known as copper carbonate.