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1 ene 1929 año - Arthur Holmes

Descripción:

Arthur's Theory is that the mantle goes under thermal convection. As magma is heated it tends to rise and then it cools and sinks again. At the time it received very little attention.

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Theory

ByRosielle
12 nov 2017
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532

fecha:

1 ene 1929 año
Ahora mismo
~ 96 years ago
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