a. Garbage decomposes and releases methane
b. Radon trapped in garbage is released
c. Paint and hairspray cans break down
d. Vandals set fire to flammable waste
Answer:- d. Vandals set fire to flammable waste
The answer to this Question is D. garbage decomposes and releases methane. When MSW is deposited in the landfill, they undergo the aerobic decomposition stage when less methane is there. In 1 year, anaerobic conditions has been build and methane producing bacteria had began to decompose waste and produce methane.