Physics
Which of the following causes adiabatic temperature changes in atmosphere?

Expansion and compression of the air
Partial absorption of solar radiation by the atmosphere
Latent heat of condensation
Deflection and advection

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

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
The ball will travel towards the center of the circle and fall down
It will fall down at the same place where the string breaks
None of these

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