Research on the Impact on Fetuses as the Result of Their

Multiple Choice

Research on the impact on fetuses as the result of their mothers being exposed to potentially toxic pollutants during the collapse of the World Trade Center during the 9/11 attack found that the combination of the exposure to the toxins and prenatal exposure to _____ resulted in the most harmful effects.

A) alcohol
B) cocaine
C) cigarette smoke
D) rubella