Respuesta :
The process which wears away these older rock layers is: C. erosion
Meaning of Erosion
Erosion is the wearing away, washing or dispersing of rock particles by natural factors
Meaning of unconformity
This is the difference that occurs when a younger rock layer is placed on an older rock layer. a thin line that demarcates them is formed and it is called unconformity.
In conclusion
The process which wears away older rock layers is called Erosion
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