In common terminology, Biodegradable refers to a different concept than compostable. While biodegradable indicates that a material can break down In the realm compostable materials, Of plastics are those that can break down through the action of bacteria or other biological entities in settings where temperature and humidity are carefully regulated for aerobic conditions. Compostable is indicative of the ability to break down through natural biological processes within a compost environment where the substance becomes indistinguishable and decomposes into carbon dioxide, Water, And inorganic materials and biomass at a pace aligned with established standards compostable materials. Plastic bags is designed to being created oxo, Biodegradable by being manufactured from a normal plastic polymer i. E. Polyethylene or polypropylene incorporating an additive which causes degradation and then biodegradation of the polymer polyethylene due to oxidation.