#835 Are any plastics biodegradable?
Are any plastics biodegradable? Some are, but most aren’t. It depends on what they are made from and how they are made. Most natural materials biodegrade once they are dead.…
Are any plastics biodegradable? Some are, but most aren’t. It depends on what they are made from and how they are made. Most natural materials biodegrade once they are dead.…
#433 Why does an elastic band stretch? Why does an elastic band stretch? Because it is made of long chains of polymers that would rather be tangled together than straight.…