Multiple Choice
With respect to minerals, which of the following is TRUE?
A) Over 500,000 minerals exist.
B) "Mineral" is a synonym for "rock".
C) All minerals have probably been discovered.
D) Fewer than 20 minerals make up 95% of the crust.
E) All minerals crystals are too small to be seen.
Correct Answer:

Verified
Correct Answer:
Verified
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