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When one plate is denser than the other plate which leads to it being force down below the less dense plate. This process is known as subduction and a trench forms at the point where the descending trench begins to flex into the earth.

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What boundary does deep ocean trenches form at ----colliding or fracture?

Deep ocean trenches form at colliding boundaries.Source:Science / Earth Science by Scott Foresmanthe diamond editionscottforesman.comPearson


What can colliding plates form?

an earthquake


What kind of boundaries do plates form?

trenches trenches


What landform resulting from 2 continental plates colliding together?

Tectonic plates colliding generally form mountains.


Where do oceanic trenches form?

Oceanic trenches form where two tectonic plates converge, with one plate being forced beneath the other in a process known as subduction. This creates deep, narrow depressions in the ocean floor, some of which are the deepest parts of the ocean.


What landforms are cause by the continents drifting and colliding with each other?

Landforms such as mountains, volcanoes, and trenches are caused by the continents drifting and colliding with each other. When continents collide, they can form large mountain ranges like the Himalayas. At subduction zones where one plate is forced beneath another, deep ocean trenches can form. Volcanoes can also form where plates collide and one is forced under the other, creating magma that rises to the surface.


What do colliding plates cause?

Colliding plates cause mountain ranges to grow.


Do colliding plates cause earthquakes?

Actually colliding plates cause earthquakes


What they form when the plates moves slowly?

trenches or mountains or rift valleys or faults depends which direction the plates move


What is happening to the plates to form mt st helens?

The answer to this question is that the plates are still colliding which is causing the elevation of the volcano to become greater.


How are the effects of colliding plate and separating plates similar and different?

it is different because separating plates move apart gaps between the plates and allow magma, while colliding plates form collision produced from distinct landforms, and they are both the same because they both produce landforms.


What do two plates of equal density form mountain ranges along?

Along their colliding (convergent) boundary.