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Whats the primary force that causes the seafloor to spread and the continents to drift?
Wiki User
∙ 14y ago
This question has a cascade of answer, that is the primary answer induces a secondary question that in turns induces other questions.
The primary force that motivates seafloor drift is rising magma at the ocean rifts. As the magma rises it flows off to the side (volcanos can only get so high before their vertical weight stops further rising and forces basal magma off to the side.)
Why does magma rise?
Magma rises because it is hot and fluid. Hot ANYTHING is less dense than cold ANYTHING and will float up.
Why is magma hot?
The material at the earth's core contains unstable neucleotides (unstable neucleotides are everywhere) and when they decay they release heat. Being at the Earths core this heat has no where to go. The mass of the earth above it is like a huge insulating blanket so the centre of the earth keeps its heat and gets hotter and hotter until the rock at the core turns into magma and floats up.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoThis is causes by the convectional movement in the mantle.
Wiki User
∙ 14y agoWiki User
∙ 13y agoThe proper answer is thermal convection
Abigail Fletes
Wiki User
∙ 11y agoconvection currents
Wiki User
∙ 14y agoThermal convection
Wiki User
∙ 14y agoearthquake
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What primary force that causes the seafloor to spread and continents to drift?
Geothermal Drift.
What is a seventeen letter word for a primary force that causes the seafloor to spread and continents to drift?
thermal convection
The primary source that causes the seafloor to spread and continents to drift?
In the middle of the ocean is a rift where the ocean floor squeezes out lava and pushes the ocean plates apart.
How Does Seafloor Spreading Effect Continental Drift?
the primary force that causes the seaffloor to spread and contienents to drift
What is the primary force that causes the sea floor to spread and continents to drift?
Radiologyinfotation
What is the primary force that causes the continents to drift?
thermal convection is the primary force that cause the sea floor to spread
What causes the seafloor to spread?
rising molten magma
What is the primary force that cause the seafloor to spread and continental to drift?
Contintal plates
Do plate tectonics work by subduction?
no magma riseing thur gaps in plate causes them to move called seafloor spread
What is the primary force that causes the sea-floor to spread?
Convection currents
The primary force that causes the seafloor to spread and continents to drift?
It would have to be continental drift because the plates are moving in the lithosphere causeing the magma to come up 7 killometers from the groundThe answer is simply Thermal convectionI dont know what it is but it is not that. I am doing a word cross puzzle and it says it is 17 lettersThe correct answer for your crossword puzzle is thermal convectionCheesecakeshes right:) the cheesecake person also doin a crossword puzzel
What is the primary force that causes the sea floor to spread and continents to drift 17 letters long?
Thermal Convection Mrs. Mckinney's 9th Grade Earth Science Class - 3rd Period BCHS Owingsville, KY
