Multiple Choice
Vesicles are ________.
A) cavities or bubble-shaped holes formed in lavas or pyroclastics by escaping gases during quenching
B) empty pits where large crystals like phenocrysts weathered out during exposure
C) holes that used to be full of hot liquid water when the rocks erupted
D) the sex organs of fossilized creatures that once lived in the molten magma
Correct Answer:

Verified
Correct Answer:
Verified
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