asked 222k views
5 votes
Which statement is true for all minerals? A.They have a crystalline structure. B.They contain useful metals. C.They are made of silicon and oxygen. D.They are too hard to be scratched with a nail.

2 Answers

7 votes
for K12 is A- They have a crystalline structure that is the correct answer
answered
User Kombucha
by
8.4k points
1 vote
A. They have crystalline structure 
answered
User Hevar
by
7.8k points
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