Elementary science projects have dissolved teeth, eggs, metal spoons, etc. in soda pop and takes weeks, not year. will not grow mold. Also white bread will not mold (cheap kind with many preservatives) if left out for weeks. FDA stopped one bread company from putting embalming fluid in their loaves. They claimed it didn't decay. Duh! Check the food value of many processed food and you will find very little or none. Read labels.