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Earn +20 ptsQ: How does the sea-floor spread?
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What causes the seafloor to spread?
rising molten magma
What primary force that causes the seafloor to spread and continents to drift?
Geothermal Drift.
What is the primary force that cause the seafloor to spread and continental to drift?
Contintal plates
How Does Seafloor Spreading Effect Continental Drift?
the primary force that causes the seaffloor to spread and contienents to drift
What is a seventeen letter word for a primary force that causes the seafloor to spread and continents to drift?
thermal convection
What must happen for the seafloor to spread apart?
Some other part of the crust must be "disappearing" (subduction).
Do plate tectonics work by subduction?
no magma riseing thur gaps in plate causes them to move called seafloor spread
What seafloor is the process by which new crust is created when seafloor moves apart and magma rises?
Seafloor Spreading
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.
Process that forms new seafloor?
Seafloor Spreading
How does the age of rocks in the seafloor provide evidence of seafloor spreading?
Rocks in the seafloor are moving one place to another
Seafloor is the process by which new crust is created when the seafloor moves apart and magma rises up?
seafloor spreading
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