Arts & Humanities » History » Because of the effects of perennial irrigation, Egyptian farmlands have _____.?

Because of the effects of perennial irrigation, Egyptian farmlands have _____.?

a.dried out the Nile River
b. drained Lake Nasser
c. developed low salt content
d.developed high salt content

Below is the recommendation and reference answer for question "Because of the effects of perennial irrigation, Egyptian farmlands have _____.?" It was collected and sorted by the editor of this site but not sure the answer is entirely accurate.

I would say both rivers have lower water levels due to the construction of dams and evaporation.

c.