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.
Hope this helped ☺️
Salutations!
What gas is the primary constituent of our atmosphere?
Nitrogen is the gas that is primary constituent of our atmosphere.
Hope I helped! ;)
“They both show surface shape and composition on earth's surface.”-Quizlet Hope this helped.
Answer:
The Cordillera Region in Canada is 1
Explanation: