GEOLOGY

Detailed explanation-1: -Two tectonic plates colliding to create the volcano results in earthquakes as well. Thus, the correct option is B. Density.

Detailed explanation-2: -Subduction occurs when there is a difference in the density of the plates. Oceanic crust is typically denser than continental crust and is forced downwards into the hot mantle when it collides with continental crust. The less dense conitinental crust is forced upward.

Detailed explanation-3: -These subduction zones can create deep trenches. As the denser plate edge moves downward, the pressure and temperature surrounding it increases, which causes changes to the plate that melt the mantle above, and the melted rock rises through the plate, sometimes reaching its surface as part of a volcano.

Detailed explanation-4: -Neither continental crust will subduct underneath one another because of their similar densities. When two oceanic plates converge, the denser plate will end up sinking below the less dense plate, leading to the formation of an oceanic subduction zone.

Detailed explanation-5: -Answer and Explanation: Volcanoes more often occur from the collision of an oceanic plate and a continental plate rather than two continental plates. This is because the oceanic plate is lower and more easily forced under the continental plate where it can melt near the mantle.