Areas of upwelling material from the mantle to form new seafloor occur along
A) transform boundaries.
B) convergent boundaries.
C) continental margins.
D) subduction zones.
E) divergent boundaries.
E
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The climate of Portland Oregon is best characterized as
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One result of the 2009 Rome World Food Summit was
A) permanent stabilization of international grain prices at 2009 levels. B) a ban on the export of genetically modified crops. C) the postponement of any action until further quantitative studies on famine are completed. D) immediate grants to poorer nations for food and agriculture.
The line of contact between the zone of aeration and the zone of saturation is known as the
A) water table. B) saturation contact. C) influent line. D) aquiclude.