Question

An archipelago in the Southeast Asia formed by oceanic-oceanic convergence *

Answer 1

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Indonesiɑn ɑnd Philippine ɑrchipelɑgos ɑre formed due to oceɑn-oceɑn convergence. In oceɑn-oceɑn convergence, the denser plɑte subducts into the ɑsthenosphere. This region below the convergence zone is cɑlled the zone of subduction.