In the time of river valley societys in egypt what was left behind after the nile flooded?

In Egypt, the River Nile creates a fertile green valley across the desert. It was by the banks of theriver that one of the oldest civilizations in the world ... it left thick rich mud (black silt) which was excellent soil to plant seeds in after it ... The ancient Egyptians could grow crops only in the mud left behind when the Nile flooded.[PPT]

The Nile left behind enriched soil which was perfect for farming

Yes you are cute answer theories to explain the colonization of the new world the last great habitable landmass to be occupied by humans focus on the bering land bridge, or beringia, which emerge by siberia and alaska the last ice age.

Taking a shower. why is cause as you shower the water is running more than taking a bath, washing a load of dishes or brushing your teeth. water is being used more by taking a shower and depending on how many people live in the household that take showers. some take a shower twice a day.