oxygen
things you use to cook have bacteria and sticks to the food and devours the food. cold also freezes the food and makes it rotten
Rotten is a general term, but if it is rotten because of a fungus (such as moldy bread), then yes it does contaminate other food.
worms eat rotten food
They eat rotten food.
Sulfur, or Sulphur from the foods that the person / animal has eaten.
Gregor is an insect, and therefore is able to consume spoiled or rotten food with no ill effect.
rotten food
rotten
To see the rotten food.
salt
Yes
Banna