Multiple Choice
How many mass extinctions have occurred over the last 500 million years?
A) 5
B) 1
C) 4
D) 3
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q9: The fossil fuel deposits we use today
Q10: Dust and smoke blown up into the
Q11: One type of early protocell (pre-cells) probably
Q12: Plants and animals belong to the phylum<br>A)
Q13: In 1994, fragments of the Comet Shoemaker-Levy
Q15: The colonization of life onto land was
Q16: Which approach is currently proving to be
Q17: All multicellular organisms are<br>A) Bacteria<br>B) Prokaryotes<br>C) Archaea<br>D)
Q18: As life on Earth evolved, its DNA<br>A)
Q19: A large piece of debris that only