brianac123 brianac123

16-10-2017
Physics

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A rock can be broken down into different kinds of substances by physical processes no chemical reactions are needed to separate different parts of a rock into pure substances this is because a rock is a

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Аноним Аноним

20-10-2017

The answer is mixture.

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Delgado007 Delgado007

12-04-2020

Answer: option D

Explanation:

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