The salt concentration (measured as salinity in parts per thousand), is _______ % in sea.
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_____ is the major component of natural gas.
Who invented first working laser?
Sewing machine was invented by
The capital of the Mauryan Kingdom was located at___________
Which Governor General decided to make English as the medium of instruction in India?
Mount Damavand is the highest peak in
Mount Damavand is the highest peak in Iran and also a potentially active volcano.
Vishal is 20 years younger to Arya. Twelve years hence Arya's age will be 1.25 times that of Vishal. Aryais now ......... years old.