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

Question

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

Quizplus · Accepted Answer

The Hadean period is believed to have lasted from 4.6 to 4 billion years ago and during this time, it is thought that Earth's interior was so hot that a solid outer crust, if present, was likely being extensively remelted. There is no evidence of abundant shelly organisms or stable continental interiors during this time, and dinosaurs did not appear until much later in Earth's history.

The Hadean Was a Time in Earth History When ________