The correct answer is C. Polylactic acid (PLA) is a biodegradable polymer. It is a type of polyester that is made from renewable resources such as corn starch or sugarcane. PLA is used in a variety of products, including food packaging, disposable cups and utensils, and 3D printing filament.
Polyethylene (A) and polypropylene (B) are both types of plastic that are not biodegradable. They are made from petroleum,
288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube