|1. Most of the ocean trenches are found in the eastern and western parts of the Pacific Ocean and they are seldom found in the middle ocean region.|
|2. Most of the trenches are curved, with concave side facing the open ocean.|
A) 1 only
B) 2 only
C) Both 1 and 2
D) Neither 1 nor 2
Correct Answer: A
Solution :Most of the trenches are curved, convex side facing the open ocean, because of the geometry of plate interactions on the spherical earth.
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