A deep sea trench is a v -shaped depression in the ocean floor. They are formed by plate tectonics. Subduction causes an oceanic or continental plate to override another oceanic plate. The trench is formed when one plate is subducted (goes under) the other plate.
Earth has tectonic plates that float on the mantle; these can move and shift. Deep Sea trenches are formed when an oceanic plate divides below an overriding plate. This also results in zones of high Earthquake activity.
Click here to cancel reply.
Sorry,At this time user registration is disabled. We will open registration soon!
Don't have an account? Click Here to Signup
© Copyright GreenAnswers.com LLC