Physics
Intensity of sound at a point is ____ its distance from the source.

directly proportional to
inversely proportional to square of
inversely proportional to
directly proportional to square of

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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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