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no that's wrong. they are formed when one lithospheric plate meets another and the denser plate subducts into the asthenosphere. the crust melts in the subduction zone and rises to form active volcanoes. The Andes in Peru and Chile formed this way

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Where is an ocean trench most likely to form?

Ocean trenches form at areas of subduction.


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


Are most volcanoes form on land?

nope, ocean trenches


What happens when continental and continental collide?

Deep ocean trenches form


What deep ocean feature form at subduction zones?

Trenches are deep ocean features of subduction zones.


How many trenches does the Atlantic ocean have?

there are three ocean trenches in the Atlantic Ocean


What percentage of the ocean bottom is covered by trenches?

Approximately 2.5% of the ocean bottom is covered by trenches, which are deep depressions in the ocean floor that form where tectonic plates collide and one plate is forced beneath the other. These trenches can be incredibly deep, with the Mariana Trench being the deepest known point in the ocean.


Where do trenches form?

Treches are formed when an ocean plate subducts under a continental plate.


Deep ocean trenches are evidence for?

Deep ocean trenches are evidence for plate tectonics, showing where one tectonic plate is subducting beneath another. These trenches form at convergent boundaries when the denser oceanic plate sinks into the mantle. The presence of deep ocean trenches also indicates areas of seismic activity and potentially tsunamis.


Where does the sediment on the abyssal plain come from?

It comes from sea mounts and ocean trenches.


Trenches are the deepest parts of the ocean floor which of the earth's four oceans hs the deepest trenches?

The Pacific Ocean has the deepest trenches.


What ocean has many deep valleys or trenches?

Trenches