Multiple MatchingExercise 53 of 68

In an effort to dramatically reduce the amount of plastic polluting our oceans, several companies have begun developing packaging that you can actually eat. Made primarily from seaweed and natural plant extracts, these wrappers dissolve harmlessly in water and can be safely consumed along with the product inside.…

• Which innovation relies on biological lifeforms to perform its main function?
• Which innovation is currently not powerful enough for widespread practical use?