A. Air pollution
B. Destruction of Habitat
C. Contamination of Ground water
D. Increased use of land for landfills
🧠 Explanation:
Hazardous wastes can contaminate groundwater, impacting drinking water and agriculture. “Contamination” is a noun; “posed by” is a participial phrase. Alternatives like river pollution exist, but groundwater contamination is the most serious environmental effect. Understanding this is crucial in environmental science and safety.
