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sea-floor spreading is caused by deep-ocean trenches that overflows and makes a new layer come out. heres a video if you would like to watch it.science.discovery.com/videos/...shorts-sea-floor-spreading.html

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What layer produces the magma that cause seafloor spreading and volcanoes?

the upper mantle


What did the magnetic strips prove in seafloor spreading?

They proved that the seafloor was spreading.


What was the primary force that causes the seafloor to spread and continents to drift?

The primary force driving seafloor spreading and continental drift is mantle convection. Heat from Earth's core causes the mantle to circulate, creating convection currents that move tectonic plates, leading to the spreading of the seafloor and movement of continents.


How to Diagram the process of seafloor spreading?

A diagram that shows how seafloor spreading works.


Seafloor spreading begins when?

Seafloor spreading is triggered by a rift in a continental land mass.


Which force is responsible for seafloor spreading?

Gravity in the oceanic crust is responsible for seafloor spreading.


How Does Seafloor Spreading Effect Continental Drift?

the primary force that causes the seaffloor to spread and contienents to drift


Which observation was not instrumenntal in formulating the hypothesis of seafloor spreading?

The observation of the alternating magnetic stripes on the seafloor was instrumental in formulating the hypothesis of seafloor spreading.


What does seafloor spreading have to do with the theory of continental drift?

Seafloor Spreading helped move the Continents to their current location.


In which earth layer are most convection currents that cause seafloor spreading thought to be located?

Most convection currents that cause seafloor spreading are thought to be located in the asthenosphere, which is a semi-fluid layer of the Earth's upper mantle beneath the lithosphere. The movement of these convection currents is believed to drive the motion of tectonic plates.


What seafloor is the process by which new crust is created when seafloor moves apart and magma rises?

Seafloor Spreading


What is the Site of the seafloor spreading?

how am i suposed to know