Once a landfill is full, . A. the entire landfill is burned B. it is left open so the smell can permeate the area C. a plastic cover, dirt, and grass seeds are added D. it is watered heavily to increase runoff
Modern engineered landfills implement gas extraction systems after closure to utilize landfill gas as a biofuel for heating or electricity generation.
Explanation:
Once part or all of a landfill site is full, it is sealed over with a plastic cover. A system is implemented to extract landfill gas, often carbon dioxide and methane, which can be used as a biofuel for heating or electricity generation.
