The Nile River would flood. Thus silt deposites in the river would flood fertile soil on to the land for crops to grow, but would also destroy houses. A solution to this compromise was to create dug-outs to redirect the flooding water.
What was the Neolithic Agricultural Revolution?
The Neolithic Agricultural Revolution was an advancement in humanity. Nomads (Hunter and Gathers) became settled and started farming. Animals and plants were domesticated.
Who united Upper and Lower Egypt?
Menses united Upper and Lower Egypt in 300 B.C.E. Upper Egypt is in the south and Lower Egypt is in the north. The reason it's like this is because the Nile River was higher in the south then it was in the north.
What were the three kingdoms and when did they begin/end?
Old Kingdom - 2700 - 2200 B.C
Middle Kingdom - 2050 - 1800 B.C
New Kingdom - 1550 - 1100 B.C
What were pyramids used for?
Pyramids were death tombs for pharaohs. They were often mummified in the tombs. They preserved the bodies of the dead and provided them with everything they would need in their afterlives. They were ordered to be created by the Pharaoh before he died.