What of the following refers to hypotheses which are confirmed by varied tests?
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_______________________ is the unemployment which exists in any economy due to people being in the process of moving from one job to another.
___ is not a chemical change.
How many bio-geographical zones are there in India?
The smell that we get when LPG cylinder leaks is due to the presence of
Debenture holders of a company are its ___________.
Retinol is mainly related to ___.
In which year did Ole Romer measure the speed of light for the first time in the history?