A home located about 500 feet from an abandoned landfill explodes in a giant ball of flames.This is a mystery,as the home only uses electricity for cooking and heating.Most likely,this disaster was caused by __________ .
A)corrosives that leached from the landfill into the home and degraded the home's electrical wires
B)methane that seeped from the landfill along horizontal cracks and into the home
C)gasoline or other flammable substances that leached from the landfill into the home
D)groundwater contamination from the landfill into the home

Question

Quizplus · Accepted Answer

Methane is a common byproduct of decomposing organic materials in landfills. If methane is able to seep through cracks in the soil and into a nearby home, it can ignite and cause an explosion. The fact that the home only uses electricity for cooking and heating rules out options A, C, and D as possible causes.

A Home Located About 500 Feet from an Abandoned Landfill