The Earth has experienced ____ major mass extinctions during its history.
A) 3
B) 5
C) 8
D) 12
E) 15
Correct Answer:
Verified
Q64: Which layer of sedimentary rock is the
Q65: Scientists believe whales evolved from land animals
Q66: Which of the following is evidence that
Q67: What was the name of the supercontinent
Q68: When did the Earth's crust form?
A) 2.9
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Q71: Which layer of sedimentary rock shows the
Q72: What was the super continent called that
Q73: Which group is geologically oldest?
A) prokaryotes
B) dinosaurs
C)
Q74: Which event is geologically the oldest?
A) evolution
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