Answer:
1.Anaerobic
2.Waste management or waste disposal
3.Hazardous waste
4.Biodegrable waste
Explanation:
1.ANAEROBIC (without oxygen) decomposition. ... A pile that is not mixed may take three to four times longer to decompose.
2.Waste management (or waste disposal) includes the activities and actions required to manage waste from its inception to its final disposal. This includes the collection, transport, treatment and disposal of waste, together with monitoring and regulation of the waste management process.
3.Hazardous waste is material, disposal of which poses a threat to the environment, which is explosive, flammable, oxidising, poisonous
4.Biodegradable waste can be used for composting or a resource for heat, electricity and fuel by means of incineration or anaerobic digestion.