Chapter 3 understanding the concepts 10 44 of 69 review part a the majority of ocean trenches are associated with choose all that apply. view available hint(s) the majority of ocean trenches are associated with choose all that apply. subduction zones and associated faults the mid-ocean ridge very deep ocean water depths the pacific ring of fire volcanic arcs and active continental margins narrow or no continental shelves

Options (1), (4) and (5)

Explanation:

The lithospheric plates is divided into 2 types namely the continental crust (plate) and the oceanic crust (plate) that moves over the asthenosphere layer due to the generation of convection current in the mantle. When two plates move towards each other, then the denser plate gets subducted below the lighter one. As a result of which, a subduction zone is formed and is marked by the deep ocean trenches. For example, the Mariana trench.

They are generally found near the subduction zone, along the pacific ring of fire, as the Pacific plate being denser getting subducted under the lighter continental plates namely the Eurasian plate, Indo- Australian plate, and the North American plate. They are also found adjacent to the volcanic arcs and the active continental margins.

Hence, the correct answers are options (1), (4) and (5).

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