What is Agent Orange?

1. An ace spying group trained by the Police in London
2. A weed-killing chemical used by the US Military in the Vietnam War
3. A technique used in advanced railway safety procedure
4. A special chemical used in making alloy steel

Explanation

Option (b) is correct

• Agent Orange was a herbicide (defoliant) extensively used by the United States military during the Vietnam War (1961–71) to destroy forest cover and crops. It contained dioxin, a highly toxic compound. Caused long-term environmental damage and severe health effects.

Answer: (b) A weed-killing chemical used by the US Military in the Vietnam War