24-05-2018
Physics

contestada

Grinding quartz crystals down to produce sand is an example of a a. change of state. c. chemical reaction. b. chemical change. d. physical change.

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kayleecook2003p91n17 kayleecook2003p91n17

25-05-2018

D. A physical change

The makeup of it is still the same it's just ground up

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