ANSWERS: 2
  • 7-5-2017 My first guess would be the heated air expands.
  • partial vapour pressure. It's complicated. http://www.conservationphysics.org/teabag/teabag01.php
    • Jewels Vern
      I didn't know that. That's wonderful.
    • Linda Joy
      I found it interesting, but realize most people won't read past the first couple of sentences! Lol.

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