Along the northwestern coast of the united states, the juan de fuca plate is being pushed underneath the north american plate, causing magma to rise to the surface. magma that reaches the surface and cools will often a. erode a wide valley over time. b. build up a mountain over time. c. burn away a steep canyon. d. cause a new tectonic plate to form.

Along the northwestern coast of the United States, the Juan de Fuca Plate is being pushed underneath the North American Plate, causing magma to rise to the surface. Magma that reaches the surface and cools will often build up a mountain over time.

Explanation The Juan de Fuca plate is being pushed underneath the North American Plate. Causing magma to rise to the surface. Magma that reaches the surface and cools will form a mountain

Magma is mostly found in a huge underground pockets. Magma that reaches the surface of the earth is referred to as lava, when it cools and hardens, it forms igneous rock. Temperatures hot enough to melt rocks are usually found only deep inside the earth.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

question 1: paragraph 3

question 2: paragraph 2

question 3: paragraph 1

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