Physics
ML2T-2 is the dimensional formula for

couple acting on a body
moment of inertia
pressure
elasticity

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Physics
Thermohaline circulation is mainly due to

Warmer, less dense water sinking in the ocean and cold water replacing it
Winds causing circulation of ocean water
Warm water being added to the ocean due to industial waste
Cold, dense ocean water sinking and warmer water replacing it

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Physics
Which of the following options correctly explains the term heat budget?

It is the radiation from the earth in the form of long waves.
It is a mode of transfer of heat through matter by molecular activity.
It is the amount of heat which the surface of earth receives from the sun.
It is the balance between incoming and outgoing radiation

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