"When the dinosaurs go extinct and 75 percent of life goes extinct after a meteor hits the planet, that's an era boundary. That's when we change from the Mesozoic to the Cenozoic."

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Source : "What's The Anthropocene?". "TED Radio Hour" with Guy Raz, www.npr.org. September 30, 2016.

Kenneth Lacovara

#Dinosaurs Quotes #Meteors Quotes #Eras Quotes

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