Which Factor Would Scientists Consider Evidence That Humans Are Causing

question 206

Multiple Choice

Which factor would scientists consider evidence that humans are causing the current mass extinction?

• A) The extinction rate is lower than extinction rates from natural causes.
• B) We can count the number of species currently going extinct.
• C) Megafauna on all continents began to go extinct shortly after humans arrived.
• D) Mass extinctions have occurred throughout history.
• E) The extinctions are occurring only in regions densely populated by humans.

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