You can tell that a ham has gone bad by looking at it and smelling it. If it smells strange or looks like it has mold, it is bad.
If you eat it and then throw up. ;)
If its rotten
it is bad if it is bad. if not, it is most likely good.
The smell
You can tell if tuna salad is bad by the way it smells, tastes, and looks. Tuna mixed with mayonnaise usually will not last for more than a couple of days.
I didn't mean to create it actually. I peed on my oatmeal and chicken salad one drunken morning. My bad!
If u have diarrhea after eating it.
your car will not start
Actually, you honestly can not
How can you tell if a crank sensor has gone bad on a 1994 Nissan altima
It will have a greenish tint to it. And it will be a little slimy and have a bad smell