Why McDonald’s Happy Meal hamburgers won’t decompose—the real story behind the story
“So why don’t fast food burgers and fries decompose in the first place? The knee-jerk answer is often thought to be, ‘Well they must be made with so many chemicals that even mold won’t eat them.’ While that’s part of the answer, it’s not the whole story.
The truth is many processed foods don’t decompose and won’t be eaten by molds, insects or even rodents. Try leaving a tub of margarine outside in your yard and see if anything bothers to eat it. You’ll find that the margarine stays seems immortal, too!”