Multiple Choice
The Hadean was a time in Earth history when ________. 
A) the first abundant shelly organisms appeared in the fossil record
B) Earth's interior was so hot that a solid outer crust,if present,was likely being extensively remelted
C) stable continental interiors,termed cratons,first formed
D) the dinosaurs appeared and came to dominate large-scale terrestrial life
Correct Answer:
Verified
Correct Answer:
Verified
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