Physics, 21.09.2019 13:30 Poohpooh6667

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.

Answers: 2

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Which of the following is true about rocks?
a. rocks are composed of only one mineral.
...