Question

what can cause destruction to the entire ocean basin?​

Answer 1

Answer:

=> At the deep-sea trenches, two plates converge, with one plate sliding down under the other into the mantle where it is melted. Thus, for each segment of new ocean floor created at the ridges, an equal amount of old oceanic crust is destroyed at the trenches, or so-called subduction zones.

Answer 2

Answer:

if mantle melts and trenches occur

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