Elements having same atomic numbers but different mass number are called ______.
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Pakistan which rejoined the commonwealth, had pulled itself out it in the year
Tides in the sea are caused by.........
The largest country in the western hemisphere, in the terms of population is _______
When were blue jeans invented?
What manages the resources on a network?
Operating system software is that manages resources on a network.
What percentage of the total area of lithosphere has the expansion of mountains?
Two greatest Buddhist universities of Nalanda and Vikramshila were patronised by the