If the certain food you have is meant to go in a freezer, and is not left in a freezer, bacteria gets on your food, and this causes it to go bad, by spreading germs all over the food, and if you eat the bad food, you could get a really bad illness that you may die from, dont ever eat bad food.
some clothes, space food, and other supplies.
Because when you go in space there is no oxygen and the food taste funny.
Oxygen makes food go bad. Bacteria love oxygen and they thrive in it. That is why tightly sealed food stays fesh longer.
honey,
All food eventually goes bad.
Lots and LOTS of preservatives (like in McDonalds fries). However, eventually food will go bad anyways. If you want to preserve food though at home you can stick it in the freezer.
dehydrated food
any food that can go bad or spoil without preservatives or refrigeration.
have 80 to 112 with know food is that good or bad
about 5 months
so that it does not go bad