Which process causes a deep-water trench where an oceanic plate subducts under a continental plate?

💡 Explanation

When an oceanic plate meets a continental plate, subduction occurs because the denser oceanic plate is forced downward, causing the lithosphere to compress and bend downwards due to immense pressure, forming a trench. Therefore crustal bending results, rather than erosion, crystallization, or burial which require distinctly different circumstances.

• Which process accelerates when permafrost underlying a cirque thaws due to rising air temperatures?
• Which large-scale consequence directly results from the adiabatic cooling effect within rising air masses?
• Which outcome is directly amplified when a coastal gyre weakens?
• Which outcome arises as oceanic crust subducts at a deep-sea trench off the coast of Chile?
• Which outcome results when wave energy focuses along headlands of an island?
• Which process primarily influences the orientation aspect of cirques located in the Northern Hemisphere?