Why is humidity uncomfortable?
Show answer & explanation
Answer: Sweat can't evaporate to cool us
Sweat can't evaporate to cool us ✓ — Correct! Your body cools itself by sweating - as sweat evaporates from your skin, it takes heat with it. But evaporation requires dry air. In high humidity, air is already saturated with water vapor, so sweat can't evaporate. It just sits on your skin, leaving you hot, sticky, and unable to cool down effectively!
Water vapor blocks oxygen — Wrong. Water vapor doesn't block oxygen - air contains both. High humidity feels uncomfortable because saturated air prevents sweat from evaporating, blocking your body's cooling system.
Humidity makes air hotter — Wrong. Humidity doesn't change air temperature. It feels hotter because humid air prevents sweat evaporation, stopping your body's natural cooling mechanism.
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