Helium is added to the oxygen supply of deep sea divers because it is _________
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Who proposed Continental drift theory?
The value of universal gravitation constant (G) was determined by
A universal donor has the blood group
The high-security banknote production facility which iscredited with the design of the Rs 2000 banknote has beenset up at _____________ .
According to 2011 Census figures, which state has recordedthe highest sex ratio?
There are total _________ parliamentary seats (Rajya Sabha constituency) in Tripura.
All doubts and disputes in connection with election of the President are inquired into and decided by __________ .