What evidence on the ocean floor indicates that the Atlantic Ocean has a sea floor spreading boundary?
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Over the past 100-200 million years, the Atlantic Ocean grew from a tiny inlet of water between the continents of Europe, Africa, and the Americas into the vast ocean that exists today. What evidence on the ocean floor indicates that the Atlantic Ocean has a sea floor spreading boundary? Please explain.
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Answer:
That would be the Mid-Atlantic ridge, a mountain range running the entire length of the Atlantic, and composed of volcanoes and magma upwellings spreading apart.
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