Physics
The temperature at which water boils depends mainly on

Air Pressure
Specific heat
Relative humidity
Density

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Physics
A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps

None of these
It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down
It will fall down at the same place where the string breaks
The ball will travel towards the center of the circle and fall down

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