Physics
During hot weather, the fan produces a feeling of comfort. This is because

Our perspiration eva-porates rapidly
Fan supplies cool air
Fan cools the air
Conductivity of air increases

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Physics
Thermohaline circulation is mainly due to

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

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