Question

multiple - choice question
what is subduction?
when a tectonic plate breaks
when one tectonic plate separates from another plate
when one tectonic plate goes underneath another tectonic plate
when one tectonic plate gets crushed against another tectonic plate.

Explanation:

Subduction is a geological process. It specifically refers to the situation where one tectonic plate moves beneath another tectonic plate. This is a key concept in plate tectonics.

Answer:

when one tectonic plate goes underneath another tectonic plate