Question

multiple choice question
which process occurs when a dense oceanic plate sinks beneath a less dense continental plate?
convection
subduction
seafloor spreading
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Explanation:

Subduction is the process where a denser oceanic plate sinks beneath a less - dense continental plate. Convection is related to heat transfer in fluids (like in the mantle but not specifically the sinking of plates). Seafloor spreading is about new oceanic crust being formed at mid - ocean ridges, not the sinking of plates.

Answer:

subduction