November 24, 2015

Homework Help: american intercontinental university

Posted by ingrid on Tuesday, March 30, 2010 at 7:12pm.

* Rub your index fingers gently over a piece of very coarse sandpaper a few times and rate its coarseness on a scale from 1 (very soft) to 7 (very coarse).
* After a minute or two, rub the same finger over the paper and again rate its coarseness. Did your perception of the coarseness change? How? Record your reaction.

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