Along the northwestern coast of the United States, the Juan de Fuca Plate is being pushed underneath the North American Plate, c

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2 years ago

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ausing magma to rise to the surface. Magma that reaches the surface and cools will often

1 answer:

Blababa [14] · Answer 1 · 2022-06-20T09:51:07+03:00

B. build up a mountain over time.

Explanation:

The magma that reaches the surface and cools will often build up a mountain over time.

They would form a chain of extrusive igneous rocks on the surface leading to continental volcanic activities.

As the subducting Juan de Fuca Plate moves underneath, it begins to melt at great depths.
Cracks within the lithosphere will act as conduit for this magma to be brought to the earth surface.
They will then cool, and solidify and build mountain ranges with time.

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