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Ludmilka [50]
3 years ago
14

How do observations of earthquake and volcanic activity support the theory of plate tectonics?

Geography
1 answer:
In-s [12.5K]3 years ago
3 0
They provide evidence that movements of the crust are a result of slow moving currents in the mantle. Since earthquakes and volcanic eruptions are usually a result of stick-slip movements between 2 more plates and it is tension changes that are responsible for this sudden movement, the plates must be moving overtime or this tension would remain fairly constant.


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