Quiz/Review. Get out a small piece of paper and put your name on it. When the bell rings, the quiz will begin. Question 1. When did the last major eruption of Mt. St. Helens occur?. Question 2. What killed most people in the major eruption of St Helens. Question 3.
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What killed the dinosaurs?
(Formally called the Cretaceous-Tertiary extinction)
Meteor impact 65.5 million years ago.
Hells creek formation