Which magma is most likely to quench (congeal) to a natural glass?
A. highly viscous; cools quickly
B. highly viscous; cools slowly
C. highly fluid; cools slowly
D. highly fluid; cools quickly
Answer:A
Which magma is most likely to quench (congeal) to a natural glass?
A. highly viscous; cools quickly B. highly viscous; cools slowly C. highly fluid; cools slowly D. highly fluid; cools quickly