Answer:
Geologic process: Volcanism.
Geographic features: big island of Hawaii, smooth surfaces of the lunar maria, Mars's Olympus Mons.
Geologic process: Impact cratering.
Geographic features: old surface features of the lunar highlands.
Geologic process: Erosion:
Geographic features. Earth's Grand Canyon.
Geologic process: Tectonics.
Geographic features current locations of Earth's continents, Mars's Valles Marineris, Mercury's many long, tall cliffs.
Note that all four processes are interrelated, so although one may be major to a particular feature, others also play some roles in their formation.
Answer:
The Orpheus theory, which says that a planet-sized body once collided with Earth and that it sent some of the material into orbit, forming the moon.
Answer: I think foreign markets and tourism. Since Soviet control ended, ethnic tensions have plagued.