Bacterium, fungal spores in the air settle on the food infecting it. These microorganisms grow rapidly especially in warm damp dark conditions. If the food is eaten food poisoning can occur
its due to the oxygen reacting with the chemicals withing the food it creates an reaction causing the food to rots
Yes fungi can be found in canned food that is left open for sometime.
Yes
honey is only that does not spoil when left open
yes it will rot
Insect infestation and decay.
Bacteria land on it and starts to eat it
Air has moisture in it. The food picks up that moisture and becomes soft. By placing the food in an air-tight tin, you have limited the amount of moisture that is available to soften the food, so it stays crispier longer.lol
This answer might not be accurate , but after a while of food being left in open spaces the smell becomes strong, and it makes it easy for the mice outside to smell.From there i guess they decide to visit for a little nibble.
there r moulds on it because of micro-organosms.
food exposed to air and moisture gets spoilt easily . you will find brown green mould on food kept in the open for a long time.this is due to the presence germs in the air.Boiling-have you seen your mother boil milk? boiling kills the germs in it.so the milk can be stored for a long time.
Aerobic bacteria thrives and multiplies in the presence of oxygen!!