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sweet-ann [11.9K]
2 years ago
9

The aleutian islands extend westward from southern Alaska to form the northern boundary of the Pacific Ocean. These volcanic isl

ands were formed by the nearby...
A. subduction of a continental plate
(B. subduction of an oceanic plate)-answer but why is this the answer?
C. divergence of a continental plate
D. divergence of an oceanic plate
Biology
1 answer:
MatroZZZ [7]2 years ago
5 0

The correct answer is B

Subduction of a ocean plate.

Aleutian islands extend westward from southern Alaska to form the northern boundary of the Pacific Ocean when the Pacific plate gets subducted under North American Plate at a dip of 45 degrees. The pacific  is an oceanic tectonic plate that lies beneath the Pacific Ocean. And thus the correct answer is option B

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