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Because there are deep-ocean trenches which are deep under water canyons.

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N the Earth's mantle heat is transferred in large convection currents. Within these currents?

Rocks are heated by the Earth's core and rise towards the surface, then cool and sink back down. This movement creates convection currents that transfer heat within the mantle.


Does the convection currents in the mantle are mainly caused by heat coming from the core?

Yes, convection currents in the mantle are mainly driven by heat coming from the Earth's core. Heat from the core creates temperature differences in the mantle, causing warmer, less dense materials to rise and cooler, denser materials to sink, thus setting up convection currents.


Which layer of the earth is the place where convection occurs?

Convection currents rese and sink through the mantle and the liquid outer core. In Earth's mantle, large amounts of heat are transferred by convection currents. Heat from the core and the mantle itself causes convection currents in the mantle.


Are there convection currents in the molten part of the earths interior?

Yes, there are convection currents in the molten part of Earth's interior, known as the mantle. Heat from the core drives these currents, causing hot molten rock to rise, cool, and then sink back down in a continuous cycle. These convection currents play a key role in plate tectonics and the movement of Earth's crust.


What creates the currents in the mantle of the earth?

The heat generated from the decay of radioactive elements in the Earth's interior drives convective currents in the mantle. This process causes the hot mantle material to rise towards the surface, cool, and then sink back down in a circular motion known as mantle convection.


Where does the heat come from that drives the convection currents in the mantle?

The heat that drives convection currents in the mantle primarily comes from the radioactive decay of elements such as uranium, thorium, and potassium. This heat causes the mantle material to become less dense, rise towards the surface, cool down, then sink back towards the core in a continuous cycle of convection.


How convection currents in the earth's mantle move?

Convection currents in Earth's mantle are driven by heat from the core and radioactive decay, causing molten rock to rise towards the surface, cool, and then sink back down. This process creates a cyclical movement of magma that is responsible for tectonic plate movement and volcanic activity.


What is the name of the process that causes mantle movement?

The process that causes mantle movement is called mantle convection. This occurs when heat from the Earth's core causes the mantle material to heat up and rise towards the surface, then cool and sink back down in a continuous cycle.


Which layer of the earth do the convection currents occur?

Convection currents occur in the mantle, a semi-solid layer located beneath the Earth's crust. Heat from the Earth's core causes the material in the mantle to heat up, rise towards the crust, cool down, and then sink back towards the core, creating a circular motion of flow known as convection currents.


What causes convection currents it the mantle?

Convection currents in the mantle are mainly caused by the heat generated from the radioactive decay of elements within the Earth's interior. This heat creates temperature differences in the mantle, causing warmer, less dense rock to rise and cooler, denser rock to sink, driving the movement of mantle material in a continuous cycle.


Describe how convection currents might be the cause of plate tectonics?

Convection currents in the mantle cause the movement of tectonic plates. Heat from the Earth's core creates rising currents of molten mantle material, which pushes the plates apart at mid-ocean ridges. As the plates cool, they sink back into the mantle at subduction zones, completing the cycle of plate movement driven by convection currents.


Does The mantle of the earth continually heats up and cools down using convection currents?

Yes, the mantle of the Earth heats up and cools down due to convection currents. Heat from the Earth's core drives convection currents in the mantle, causing hot material to rise and cool material to sink. This movement transfers heat throughout the mantle, driving plate tectonics and volcanic activity.