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What Is Responsible For The Decomposition Of Plastic Bags?

Although standard polyethylene bags don’t biodegrade, they do photodegrade. When exposed to ultraviolet radiation from sunlight, polyethylene’s polymer chains become brittle and start to crack. This suggests that plastic bags will eventually fragment into microscopic granules. How do plastic bags decompose? It takes 1,000 years for a plastic bag to degrade in a landfill. Unfortunately, …

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