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During summer, we feel comfortable under a fan because it?1. Throws cool air on us2. Produces air which carries heat away from the body3. Produces convection currents4. Sets the air in motion, thereby increasing the evaporation of sweat

Answer» Correct Answer - Option 4 : Sets the air in motion, thereby increasing the evaporation of sweat

The correct answer is Sets the air in motion, thereby increasing the evaporation of sweat.

  • The body heats the air next to the skin.
  • A fan carries this warm air away and replaces it with cool air.
  • The cool air evaporates the perspiration coming out of skin through pores which makes us feel cooler.
  • We sweat because our body tries to cool itself by releasing water through pores.


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