Wednesday
August 27, 2014

Homework Help: science

Posted by Mary on Monday, March 5, 2012 at 4:26pm.

which of the following is a physical change?

Milk becomes sour

An iron nails rusts

All the water in a solution of salt water evaporates leaving a lot of crystals of salt in the bottom of the dish

A wooden log is burned leaving ash in the fireplace

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