What do trenches and mountain ranges have to do with the Ring of Fire and plate tectonics?

Answer 1

About 90% of volcanoes on earth are located at the boundaries where tectonic plates meet. There were two mechanisms as to why this happens. Where an oceanic plate collides with a less dense oceanic or continental plate, it is forced down into the mantle, taking some seawater with it. This water seeps into the superheated rocks of the mantle and lowers the melting point. The resulting molten rock, called magma, then rises to the surface to form volcanoes.

Where two plates are pulling apart, the crust is thin. This reduces the pressure on the upper part of the mantle, therefore lowering the melting point. This allows some of the rock to melt, rise up, and form volcanoes.

Answer 2

The Earth is made up of a bunch of plates that fit together and are constantly trying to moving, friction between them holds them in place. After awhile enough pressure is built up and the bond between two plates is broken. When this happens the two plates will lurch. We can sometime feel this movement and we call it an earthquake.
When tectonic plates move around they cause earthquakes. So when there is an earthquake, the tectonic plates have been moved around. Sometimes one plate gets pulled under another.

Answer 3

The "Ring of Fire" refers to a string of volcanoes, which create a ring in the Pacific. The relevance to plate tectonics, is that volcanoes are created by two plates coming together and pushing up on each other to create the volcano.

Answer 4

Many mountains/volcanoes are formed at the Ring of Fire because of the hot spots. The hot spots form the volcanoes and the plate tectonic slowly moves the volcano away from the hot spot. This causes another volcano to be formed, Trenches, which are deep underwater valleys, are formed because when the plates are moving away it creates a gap.

Answer 5

It has to do with them because the Ring of Fire is formed by plates volcanoes. Once volcanoes errupt(and aren't active anymore), they can be mountains.

Answer 6

The Mariana's Trench is the deepest part of the world's oceans. It was created when the pacific plate was subducted beneath the Mariana plate. It was formed because of divergent plates.

Answer 7

they both are form from convergent plate boundries

Answer 8

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