Respuesta :
Answer: Rich soil
Explanation: The river Nile left behind rich soil when it flooded. ... when the flood water receded, the farmers were able to cultivate the land and get a rich vein of crops for feeding all the people making up the civilization near the river banks of Nile.
When the nile flooded, it left behind the black silt that was pivotal for agriculture, due to the abundance of nutrients.
