Correct answer choice is:
Rich, black soil.
Step-by-step explanation:
The River Nile flooded each year between June and September, in a season the Egyptians named Akhet - the tide. Melting snow and damp season rainfall in the Ethiopian Mountains through a flow of water making the edges of the River Nile in Egypt to overflow on the low desert area.
The floods produced rich black soil onto the ledges of the Nile River which caused it feasible for producers to produce crops. The Nile was the classical Egyptians made the course of transferring from place to place. The dry weather near the Nile got it so the classical pyramids still persist now.