Answer:
The correct option will be option B (incineration).
Step-by-step explanation:
Incineration is a waste treatment technology which includes controlled combustion of wastes for recovering energy.
Incineration helps in the reduction of waste like medical wastes and other life risking waste from 95 to 96 percent and the waste material treated is usually converted into heat, gases, particles.
Heat generated is used in the production of electricity in countries like Japan and Denmark where about 4-5% electricity used is generated by this technology.
Although useful posses certain threats to environment as particulate matter released causes increase risk of cardiovascular and respiratory diseases like lung cancer and asthma.
Thus, option B (incineration) is the correct answer.