Question

in figure 4, number 7 forms as a result of *

Explanation:

The feature labeled 7 in the figure is a deep - elongated depression in the ocean floor, which is characteristic of a trench. Trenches are formed by the subduction of one tectonic plate beneath another. Sea mounts are underwater mountains, continental rises are gentle slopes at the base of the continental slope, and hydrothermal vents are fissures in the seafloor where hot water emerges.

Answer:

trench