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As subduction occurs, the oceanic crust moves from the _____ toward a ____.

the answer options for both sides are
Mid-ocean ridge
Seafloor spreading
Deep-ocean trench

User Idsbllp
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Answer: Mid Oceanic Ridge (MOR) to Deep-Oceanic trench

Explanation: As the plate tectonic theory is a continuous process, so at some places, divergent plate movement takes place whereas at other places, convergent plate movement takes place. So from that context we can conclude that

  • initially two plates moves apart from each other,
  • and this plates then collides with the other nearby plates, thereby the heavier one gets subducted beneath the other, forming a deep sea trench.
User Sam Protsenko
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