B, it effects how the economy is in that region. Hope this helps!
No, however, the carry the same weight.
Nubia's geography was different from Egypt because Nubia had tall cliffs of granite rock and there soil was rockier. -- Nubians language was different from <span>Egyptians; Egyptians used Hiroglypics, and Nubians used Meroitic.
http://www.answers.com/Q/How_was_the_geography_of_Nubia_different_from_Egypt?#slide=4
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