Which packaging design innovation was specifically created to reduce plastic waste in the ocean and became a major industry trend in 2019-2020?

Packaging design is far more than just making products look attractive—it's a sophisticated communication tool that influences consumer psychology and purchasing decisions. Effective packaging must balance aesthetics, functionality, brand identity, and sustainability concerns. In today's competitive marketplace, innovative packaging can be the difference between a product's success or failure. Test your knowledge of this critical aspect of product development and marketing strategy!

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Edible six-pack rings made from barley and wheat remnants
Biodegradable bubble wrap made from corn starch
Plant-based plastic bottles made from sugarcane
Mushroom-based foam packaging for electronics