Which of the following is NOT based on principle of relationship between volume and pressure of air?
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In which year was Facebook started?
Which of the following represents the CORRECT scheme of sub-groups at various levels in classification?
At which place a joint military exercise named 'SAMPRITI' was held in November 2017 between Bangladesh and India?
What is the valency of magnesium?
In human body, vertebrae are part of ___.
_______________________ is the unemployment which exists in any economy due to people being in the process of moving from one job to another.
In perfect competition _____.