willow1821 willow1821

02-02-2017
Physics

contestada

which of the following is true about rocks?
A. rocks are composed of only one mineral.
B. Rocks do not contain any nonmineral matter.
C. coal is not considered a true rock.
D. most rocks are a mixture of minerals.

Respuesta :

105mtl09 105mtl09

02-02-2017

D. Most rocks are a mixture of minerals. They can vary on the types of minerals, like crystals.

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