Eygypts black land was caused by

According to www.historymuseum.ca, "In ancient times, the Egyptians called the desert the "red land", distinguishing it from the flood plain around the Nile River, called the "black land". These colors reflect the fact that the desert sands have a reddish hue and the land around the Nile turned black when the annual flood waters receded."

Explanation:

Hope this helps!

tbh idk same thing here