Hint | Answer | % Correct |
---|---|---|
what is the most abundant mineral in a sandstone | quartz | 77%
|
a trace of life 10000 years old | fossil | 64%
|
a volcanic rock | basalt | 56%
|
measures hardness | mohs scale | 42%
|
a foregin body in a rock | xenolith | 32%
|
a volcanic rock that is viscous | ryholite | 2%
|
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