Final answer:
The landscape described by the meeting of light brown and dark brown lands, rough where they touch, is the result of tectonic activities involving faulting and folding due to the movement of Earth's tectonic plates.
Step-by-step explanation:
The landscape illustrated by the light brown and dark brown land meeting and rough where they touch is indicative of tectonic processes, particularly faulting and folding. This results from the Earth's crust being deformed due to the movement of tectonic plates. Evidences such as extensive mountain ranges formed from the compression of the crust, the cracking of the crust flooding craters with water, and older impact craters being split, suggest tectonic activity such as earthquakes and continental drift.
The large-scale crustal movements are akin to Earth's plate tectonics, and such activity, over time, contributes to topographical features like the ones described. This tectonic activity might include the uplifting and warping of the Earth's surface seen in mountain ranges, ridges, valleys, and rift valleys, which are typically consequences of such processes.