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There Have Been Several Mass Extinctions in the Planet's History,such

Question 45

Multiple Choice

There have been several mass extinctions in the planet's history,such as the extinction of the dinosaurs,but the current mass extinction is different.Greater numbers of species are now going extinct faster than ever before.Also unique to the current mass extinction is the cause.What is causing the current mass extinction?


A) Man's direct activities
B) Climate change
C) Rising sea levels
D) Solar flares

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