Answer:
Divergent boundaries such as the mid-oceanic ridge system.
Explanation:
Divergent boundaries occur when plate boundaries pull away from each other. Molten rock or magma rise from the gap between the two plates, rising up to the sea floor where it cools down to form new crust. It is the mid-ocean ridges where you see the most magma produced and there has not been any other tectonic event or area that could match its procution since the Precambrian period.
Answer:
scientist study the earth core by using submarine..
D. They measure distance north and south of the equator.
Answer:
Tertiary sector
Explanation:
Highly developed economies are dominated by jobs in the Tertiary sector.
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