World Geography
The modern theory of plate tectonics states

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

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World Geography
What is the opportunities provided by a country’s demographics in which the working population is much more than the dependent population called?

Demographic Gap
Real population Density
Demographic Dividend
Age structure composition

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