mineral is like a pure chocolate bar

a: mineral ~

b: a pure chocolate bar

What:

"A mineral is like a pure chocolate bar. It is made up of the same substance all the way through. They are solids. A mineral is made up of crystals. Almost all minerals have straight edges and flat surfaces. Minerals have different colours,hardness and crystal forms. There are about 2000 types of minerals."

Useful?

Writer: Not Stated

LCC:

Where:

http://biocircuits.ucsd.edu/outreach/?tag=4th+earth

Date: Sep 8 2014 10:12 AM

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