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