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Answer the following questions.

1. What type of plate collision results in the formation of an arc of volcanic islands such as the Mariana Islands in the North Pacific Ocean?


Sagot :

Final answer:

Oceanic plate convergence forms island arcs with volcanic activity, leading to earthquakes.


Explanation:

Ocean-Ocean Convergence: When two oceanic plates collide, the older, denser plate subducts beneath the younger plate, leading to the formation of island arcs. Examples include Japan, Indonesia, the Philippine Islands, and the Aleutian Islands of Alaska.

Formation Process: The descending plate melts, creating magma that rises and erupts, resulting in a line of volcanoes forming the island arc.

Characteristics: Island arcs are associated with frequent earthquakes due to the stress between the plates and the subducting process.


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