brianac123 brianac123
  • 16-10-2017
  • Physics
contestada

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 Delgado007
  • 12-04-2020

Answer: option D

Explanation:

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