You can't safely use cooked stew meat after it has sat out for six hours. It should be refrigerated within two hours of being cooked and then thrown out after three days maximum of being refrigerated.
Grits (as it's known in the south), is made from coarse corn meal. Polentina is another cooked cereal made from corn meal (similar to polenta, but with more liquid added). Cooked cereal would also include other cooked grains: Oatmeal, and wheat-based cereals like Farina, Cream of Wheat, and Malt-O-Meal. Other coarsely-ground grains can be used as breakfast cereals, cooked until tender. These are called by various names in different cultures.
It can be stored without being refrigerated.
One homemade food that can last 2 weeks without being refrigerated is cookies. You do need to keep the cookies in a sealed container to keep them fresh.
If packaged properly, several weeks.
They should be refrigerated or frozen if you want them to keep. Generally you should probably eat them within the day if they aren't being refrigerated so long as the weather isn't too warm.
Salt is used in many things. Im guessing it is used to help the cereal rise when being cooked, also to bring out the sweetnesss in the cereal. Salt is commonly used to bring sweet out of things. EX: Chocoloate chip cookies.
No more than a couple of hours.
Cooked meat should not be left at room temperature for more than 2 hours. At that point, it should be refrigerated or reheated. Cooked meat should be cooled at room temperature for an hour then refrigerated. After 2 hours it is not considered safe at room temperature. Food needs to be kept above 140F AFTER being heated to AT LEAST 160F.
Chicken should be refrigerated within two hours of being cooked.
Yes, it should be safe refrigerated for 3 to 4 days before cooking it.
I'm not sure but maybe about 3 degrees ?