Ineed with this last problem asap

Ocean trenches are formed by subduction, a geophysical process in which two or more of Earth's tectonic plates converge and the older, denser plate is pushed beneath the lighter plate and deep into the mantle, causing the seafloor and outermost crust (the lithosphere) to bend and form a steep, V-shaped depression.

i hope this helped ❤❤

When you are making a guess you are forming a hypothesis