food gets rotten when its not kept in its temperature, nor kept healthy. Say its stormy the lights get cut off for a day or 2 and you leave food hot and melt that is suppose to be stored in the fridge healthy by ever minute the food you leave out starts to dehydrate like we do when we don't drink water it needs clean oxygen, and fresh things surrounding it!
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.
oxygen
Gregor is an insect, and therefore is able to consume spoiled or rotten food with no ill effect.
To see the rotten food.
salt
rotten food
Banna
Yes
rotten
Yes, unless if the food is rotten.