How are ridges and trenches formed?

Let’s learn how are ridges and trenches formed. The most accurate or helpful solution is served by ChaCha.

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Answer:

Along the earth's ocean ridges, which form along rift zones on the ocean floor, magma continuously rises...

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Answer:

New oceanic crust is constantly being created at the mid-ocean ridges as the result of plate spreading...

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How are trenches formed?

Can anyone pls give me an example of a trench. And also give me the full explanation of how it is formed.EG:i know it is formed by the movement of tectonic plates but what happens than. And pls tell me the meaning of a subduction zone. thnx.

Answer:

Happens in convergent boundaries when an oceanic plate subducts beneath another oceanic / continental...

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Formation of ridges and trenches and explain the reasons?

draw a diagram to show the formation of ridges and trenches and explain the reasons.

Answer:

See tectonic plates movement http://www.ucmp.berkeley.edu/geology/tec… http://en.wikipedia.org...

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Are mid-ocean ridges formed by seafloor spreading?

And how are mid-ocean ridges, seafloor spreading, and continental drift related?

Answer:

Not exactly. You've got it backwards. The way your question is worded it implies that seafloor spreading...

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Answer:

Isochron maps of the seafloor indicate that the ocean crust is youngest near the spreading ridges. This...

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