The unconformity that is found in a geological cross section indicates that in this area erosion happened.
Erosion is a natural process in which the surface of the Earth (<span><span>soil, rock, or dissolved material</span>) gets worn down.
The cause for erosion can be wind, water, glacier ice or other natural element.
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They really help in the process of Africa's state building, creating commercial networks between parts of the continent, and introducing literacy ( especially on northern part of Africa)
They also controlled the sea route between Asia and Africa and managed to maintain the relationship between Africa and the middle east
Answer: B.access to natural resources
The western United States has several different types of natural resources such as oil, gold, silver, coal, copper, lead, and timber.
Hope this helps! :)
Explanation:
<span>Baja and Yucatan hope that helped u</span>
