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symbo symbo
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Posts: 1970
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7 years ago
The process of seafloor spreading and plate tectonic movement on the Earth's surface takes place at a speed of
A)   a few meters per year.   C)   a few centimeters per century.
B)   a few centimeters per year.   D)   less than a millimeter per year.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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papachulopapachulo
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7 years ago
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symbo Author
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6 years ago
Thanks for answering, I'll share this with my classmates too
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