Final answer:
Agent Orange is tied to chemical contamination and has caused significant health issues due to the dioxins it contains. DDT, another chemical contaminant, also carries long-term environmental and health hazards.
Step-by-step explanation:
Agent Orange is associated with chemical contamination. It was a herbicide used by the U.S. military during the Vietnam War as part of Operation Ranch Hand for defoliating forested and rural areas. Unfortunately, the dioxins present in Agent Orange, particularly TCDD, have led to serious health issues for those exposed to it, highlighting one of the several devastating effects of chemical contamination.
The review question related to the pesticide DDT serves as another example of chemical contamination. DDT is a persistent organic pollutant that accumulates in the food chain and has significant environmental and health impacts.