World Geography
The phosphate are a group of minerals of one or more metallic elements chemically associated with the phosphate compound ____

carbonates
oxides
phosphates
silicates

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World Geography
The modern theory of plate tectonics states

that the oceanic crust is destroyed at areas where this crust type becomes subducted under the light
the convention currents within the earth's mantle cause the creation of new oceanic crust at the mid
All of these
the creation of oceanic crust and the drifting of continents

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