Physics
Which of the following is correct about the properties of Gravitational Forces?

They observe inverse square law
They are the strongest forces in nature
None
Both a and b

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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
Cold, dense ocean water sinking and warmer water replacing it
Warm water being added to the ocean due to industial waste

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