Which of the following increased in the 1920's?
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The United Nations Development Programme (UNDP) focusses on
There are total _________ parliamentary seats (Lok Sabha constituency) in West Bengal.
Polio is a disease caused by which of the following?
The Great Smog of 1952 was a severe air-pollution event which affected _______.
June 21 marks the winter solstice in the _________ Hemisphere.
Which of the following physical quantity measures the rate of work done?
The process when the computer is switched on and the operating system gets loaded from hard disk to main memory is called