S1. The Bhopal gas tragedy is a catastrophe that has no parallel in industrial history.
P. The disastrous effects of the massive poisoning may also affect future generations.
Q. Around 8000 people died and about 3,00,000 more suffered agonizing injuries.
R. In the early morning hours of December 3 1984, a rolling wind carried a poisonous grey cloud past the Union Carbide plant in Bhopal.
S4. The cause was the contamination of Methyl Isocyanate storage tank with water; the safety valve opened and the gas was released into the atmosphere.