GEOLOGY

Detailed explanation-1: -A famine is a widespread scarcity of food, caused by several factors including war, natural disasters, crop failure, population imbalance, widespread poverty, an economic catastrophe or government policies.

Detailed explanation-2: -Answer: (a) Railway accident is the odd one. Famine, earthquake and cloudburst are natural disaster whereas railway accident is not.

Detailed explanation-3: -A natural disaster can be defined as: “A major event brought about by the natural processes of the Earth that causes widespread destruction to the environment and loss of life.”

Detailed explanation-4: -Answer: (a) A sudden happening that causes enormous damage to life, property and social aspects of a nation or society is called a disaster.