Answer: Erosion is the geological process in which earthen materials are worn away and transported by natural forces such as wind or water. Because of this I believe this this statement completely.
Explanation:
Erosion is the reason why have so many great structures today such as the grand canyon.
Human migration is the movement of people from one place to another with the intention of settling in the new location. When large numbers of people relocate, historians ask questions about why these people moved and what impacts their movements had.
Answer:
A glacier is a river of ice that moves downwards from high mountains
Answer: ...have obtained independence during post-war period (during 1950s, 1960s and 1970s).
Explanation: we have to include Dutch (Surinam for example), French (Algeria or Vietnam), Belgian (Kongo-Kinshassa) or Portuguese (Angola, Mozambique) colonies. This process included return of white-Europeans colonists back to Europe: the biggest return was that of Algerian French (Pieds-Noirs) and later (not so big) European whites from Portuguese territories (1974-1975-1976).
