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Note: on the map, the key shows the color coding for the ages of the seafloor of the Atlantic Ocean. On the key, Myr means millions of years old. So, if something is red, then the seafloor in that area is between 0 and 10 million years old, etc. If you finish early, you should work on activities from the "explore further" slide.  If you finish that feel free to add to your mind map. Done with that too? Go to sciencenewsexplores.  Please don't do work for any other class, or read other than Science News Explores.