Question

Which of the following is not a transboundary health hazard along the U.S.-Mexico border?
a.
abandoned tires
b.
raw sewage
c.
animal carcasses
d.
hazardous waste

Answer 1

c. animal carcasses

Animal carcasses are not typically listed as a major transboundary health hazard along the U.S.–Mexico border, whereas abandoned tires (vector breeding sites), raw sewage (water contamination), and hazardous waste (toxic exposures) are well-documented cross-border concerns.