The Bhopal gas tragedy has been described as the world's (1)______ industrial disaster. Forty two tonnes of methyl isocyanate (2)______ from the steel containers (3)______ the Union Carbide factory and released a cloud of (4)______ gas. It left a legacy of instant and (5)______ death.
Select the most appropriate option to fill in blank No.2
Identify the most appropriate option to substitute the underlined segment. If no substitution is required, select No substitution. The shoebill stork can be recognise from its long legs and broad wings.