If Plastic Comes from Oil and Gas, Which Come Originally from Plants, Why Isn’t It Biodegradable?
by Yael Vodovotz (The Conversation/Curious Kids) To better understand why plastics don’t biodegrade, let’s start with how plastics are made and how biodegradation works. ... Petroleum contains a lot of a chemical called propylene. To make plastic, refiners heat the propylene together