Waste Materials and their CharacteristicsPlastic bottles – Lightweight, non-biodegradable, can take hundreds of years to decompose.Food scraps – Biodegradable, moist, decomposes quickly, can produce odor if not managed properly.Glass bottles – Hard, non-biodegradable, recyclable, can break easily and be sharp.Paper – Biodegradable, can absorb moisture, recyclable, burns easily.Metal cans – Durable, recyclable, resistant to decomposition, can rust over time.