World Geography
The modern theory of plate tectonics states

All of these
the creation of oceanic crust and the drifting of continents
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
Which winds are also known as Doctor winds?

Harmattan
Loo
Chinook
Sirocco

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World Geography
The Harmattan is

wind that blows during the dry season from December to February
tertiary wind that carry great quantities of fine dust from the Sahara
All of these
cool, extremely dry wind that forms over the Sahara and blows westward or south-westward to the Af

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