Bacteria, mold, and yeasts can cause food to rot.
Light???
oxidisation
It can't. Bacteria causes the food to rot.
A foot rot is a bacterial infection, so I guess bacteria cause foot rot .
clostrium perfringens
various decomposers such as bacteria and fungus
leprosy causes your skin to rot away.
pumkins
rot and other dirty things
High temperature and humidity
Blossom end rot is a problem on tomatoes caused by faulty watering it causes a large black splodge on the bottom of the fruit.