One step in the production of hydroelectric power involves _____.
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Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.
Boiling point of water is ___.
The Magdalena River is one of the largest basins of South America. Through which country does it flow?
Who is the first woman Fighter pilot of India at the Republic Day parade?
Which of the following schedules contains special provisions for the administration of tribal areas in the four north-eastern states of Assam, Meghalaya, Tripura and Mizoram
Javier Mascherano of Argentina announced his retirement. He belonged to which sport?
What is the name of the book in Harry Potter series written by Jack Thorne to be published in mid - 2016?