What river system is an important Agricultural Center in Egypt

Agriculture used about 59 km3 of freshwater in 2000 (86 percent of total use). All drainage water in Upper Egypt, south of Cairo, flows back into the Nile and the irrigation canals; this amount is estimated at 4 km3/yr. Drainage water in the Nile Delta is estimated at 14 km3/yr.

Explanation:

without the article i believe the answer could be a because algeria is a low soci-economic country in africa and most countries that ahve such qualities lack womens rights