Ageologist finds a mineral sample alongside a swift-flowing river. she determines that the mineral is a type of courts. which is true about this mineral?
a: it can be classified as a carbonate.
b: it can not be classified without knowing its end use.
c: it can be classified as a silicate mineral.
d: it can be classified as a metallic ore.

 I think C is the answer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   

Answerscripps institution of oceanography; i believe this is correct plz check first good luck;