A cataract is an area of a river where the elevation of the streambed changes too quickly or has to many boulders meaning people couldn't use part of the river as transportation.
This was a good thing because the cataracts effectively served as barriers so they could control travel. This meant that the Pharos found it impossible to control the land south of the first cataract. This ending up becoming the southern border of Ancient Egypt.
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Read it carefully and slowly
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Migration is the movement and in human terms usually means a change of home.
Explanation:
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Because the soviet union and america owned east germany which had a good economy while west germany had german rule and a low economy but in november 1991 they agreed in taking the berlin wall down and reuinting germany.
Brainliest please!
El espacio marítimo argentino es el área compuesta por el mar adyacente a las costas continentales de Argentina y de sus islas, así como también el lecho y subsuelo de sus áreas marinas, sus recursos vivos , minerales y sobre su espacio aéreo marino, sobre el cual ejerce soberanía en distintos grados: aguas interiores
