Thursday
September 3, 2015

Homework Help: Changes in Matter

Posted by Sara on Monday, March 22, 2010 at 7:26pm.

Which of the following geological changes are physical changes and which are chemical changes?

a)formation of a limestone cave
b)creation of a canyon by a river
c)wearing of rocks by wave action
d)destruction of lakes by acid rain
e)heaving of the ground by ice formation

a = chemical
b = chemical
c = chemical
d = chemical
e = physical

Please correct any mistake of mine, thank you:-)

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