Final answer:
Lumberyards are most likely to house hazardous materials due to the chemicals needed for wood treatment. Boutiques, daycare centers, and residential neighborhoods are less likely to deal with such hazardous substances.
Step-by-step explanation:
The location that is MOST likely to house hazardous materials is B. Lumberyards. Lumberyards may handle various chemicals like preservatives, pesticides, and solvents necessary in the treatment and preparation of wood products. These substances can pose a hazard if not stored and handled properly.
Other options like boutiques, daycare centers, and residential neighborhoods are less likely to store hazardous materials on a scale comparable to that of a lumberyard, which is closely linked to industrial activities. Notably, this is consistent with what was observed in the Love Canal Disaster, where improper storage of chemical waste at an industrial site led to environmental contamination.