Who launched Mata Amritanandamayi Math Project “Jeevamritham” for cleaning drinking water?
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Find the position of the image formed by a concave mirror when the object is placed between P and F?
Helium is added to the oxygen supply of deep sea divers because it is _________
The Asiatic Society was established in Calcutta by
Who developed the theory of relativity?
Who discovered electricity and invented the lightning rod and bifocals?
Sewing machine was invented by
Who discovered Oxygen?