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Unlike rocks, all minerals____ and _____.

A) are expensive, are difficult to get.

B) occur naturally, have a fixed chemical composition.

C) contain metal, dissolve in acid.

D) fracture, contain silica

2 Answers

1 vote
your answer is B I hope this helps
User Dave Barker
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2 votes
B) occur naturally, have a fixed chemical composition

User Bukzor
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