Physical characteristics that both Memphis and Ur had in common were —

A. buildings, fertile soil, and located near a river source
Correct! All three are shared physical characteristics.

B. difficult to invade, temples, and desert
Incorrect. Ur was easier to invade.

C. fertile soil, pyramids, and mountains
Incorrect. Both Memphis and Ur were not surrounded by mountains.

D. located near river source, easy to invade, and fertile soil
Incorrect. Memphis was difficult to invade as it was surrounded on three sides by desert.

Even though Memphis was located in a desert, crops were able to grow due to —

A. the Nile River flowing northward
Incorrect. This would not cause better farming conditions.

B. it was located between the Tigris and Euphrates rivers
Incorrect. Memphis was located near the Nile River.

C. accumulation of rich, black soil in the delta
Correct! The flooding left rich fertile soil each year.

D. the creation of ziggurats in the center of the city
Incorrect. This would have no effect on the fertile soil.

One of the main differences between Memphis and Ur was that —

A. Ur had much richer soil than Memphis
Incorrect. This would be an insignificant difference.

B. Ur surrounded its city with a wall
Correct! In order to try to minimize invasions, Ur created a wall around its city.

C. the people of Ur found the priests to be in the lower classes
Incorrect. The priests in Ur were in the upper class.

D. Memphis was much easier to invade than Ur
Incorrect. Due to physical geography, Ur was much easier to invade than Memphis.

In order to travel by boat from the lower Nile region to the upper Nile region one must —

A. travel northward towards the Nile delta
Incorrect. The lower Nile region contains the delta.

B. travel southward past the Kush region
Incorrect. The Kush region is south of the upper Nile region.

C. let the southward flow carry you from the lower Nile region to the upper Nile region
Incorrect. The Nile flows north.

D. travel southward from the lower Nile region to the upper Nile region against the flow of the river
Correct! The lower region is north of the upper region in the south, and the Nile flows northward.