Which of the following factors was key to the formation of the first civilization in the Nile Valley?

A: Nomads acquired more livestock to increase their wealth.

B: The region experienced a surplus of food.

C: Artists created art to pass on to future generations.

D: Farmers lived near a river that never flooded.

Verified Answer :

B: The region experienced a surplus of food. - the best answer. Nile Valley was located near river Nile in Egypt. It was a flood plain defined like a heaven for farmers. There were perfect conditions for people to grow food and obtain water. The river was flooding created conditions to live like that.

The correct answer is B :D hope this helps