The process of forming the iron - rich core, the low density crust which is also rich in silicon, oxygen, aluminum, and the intermediate density mantle rich in silicon, oxygen, and magnesium is called the differentiation. Thus, the answer to this item is letter A.
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There are many reason they are grouped torgeter. One reason is becasue central and south amercia speak the same langrage (latin langrages). Between 1808 and 1826 all of Latin America except the Spanish colonies of Cuba and Puerto Rico slipped out of the hands of the Iberian powers who had ruled the region since the conquest.
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Answer:
Explanation:
1. Gyre large, rotating current loops caused by the Coriolis effect
2 .Downwelling large downward movement of surface ocean water caused by wind
3. Upwelling upward movement of deeper, colder ocean water to the surface caused by wind
4. Thermohaline circulation movement of deep ocean water driven by differences in temperature, salinity, and density
Answer:
The upper tectonic plate.
Explanation:
There are two tectonic plates which takes part in the process of subduction. The upper tectonic plate will fail to get subducted into the mantle because it is present in the upper side while other plate is remain beneath the upper tectonic plate. This lower plate subducted into the mantle due to high force of gravitation while the upper plate remain safe from sinking into the mantle.