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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Use of specific words like Dialects
Answer:
A, and B.
Explanation:
A and B are the ones that are physical. The others are social and economic.