About how many major Mass Extinctions have there been in the Earth's history?
A) One, just the dinosaurs
B) About 6
C) About 50
D) About 100
E) About 1000

Name: About how many major Mass Extinctions have there been in the Earth's history? A) One, just the dinosaurs B) About 6 C) About 50 D) About 100 E) About 1000
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There have been around 5-6 major mass extinctions throughout the Earth's history, such as the one that caused the extinction of the dinosaurs.

About How Many Major Mass Extinctions Have There Been in the Earth's