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Biology 6 Online
OpenStudy (anonymous):

Which of the following is true about rocks? a. Rocks are composed of only one mineral. b. Most rocks are a mixture of minerals. c. Coal is not considered a true rock. d. Rocks do not contain any nonmineral matter.

OpenStudy (anonymous):

B. Most rocks are a mixture of minerals

Awolflover1 (awolflover1):

B is Correct c: @GaleGomez Please do not give out direct answers

OpenStudy (anonymous):

@Awolflover1 Sorry.

Awolflover1 (awolflover1):

It's Okay c:

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