How did the nile river contribute to the emergence of egyptian civilization?
select one:
a. the nile provided a reliable source of drinking water and power.
b. the nile served as a barrier that protected ancient egypt from invasion.
c. the nile flooded at predictable times and greatly enriched the soil allowing for great surpluses in agricultural products.
d. the nile provided a reliable source of wildlife for food that permitted egyptians to focus on other activities beyond food production