This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
Cassiterite is an ore of ?
Correct!
Wrong!
Sphalerite is an ore of ?
Correct!
Wrong!
Hematite is an ore of ?
Correct!
Wrong!
Uraninite is an ore of ?
Correct!
Wrong!
Pyrolusite is an ore of ?
Correct!
Wrong!
Quartz is an ore of ?
Correct!
Wrong!
Cobaltite is an ore of ?
Correct!
Wrong!
Magnetite is an ore of ?
Correct!
Wrong!
Excavation and exploration Quiz 6
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