Which country has topped the list of sending the greatest number of educated migrants to OECD Countries?
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Which phenomenon is responsible for the echo of sound wave?
If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line is called _______.
The SI unit of intensity of sound is ______.
If the vector sum of torques acting on a system is zero, then the object is in _______.
Which one of the following is a component of Food Security System?
Activated Charcoal is used to remove colouring matter from pure substances by_______
The Chemical formula of Urea is