A snack food company representative states: The plastic wraps that hold snack bags together pose a risk to marine life, which often become trapped in the discarded wraps and drown as a result. Following our initiative, all snack food companies will soon use only those wraps made from a new material that breaks down after just four days of exposure to seawater. Once we all transition from the old to the new wraps, therefore, the risk of drowning that plastic wraps pose to marine life will be eliminated.

The argument depends on which one of the following assumptions?