Answer:
Sumerian villages grew
Explanation:
Nomads moved into the fertile land and began to form small villages which slowly grew into large towns. Eventually these cities developed into the civilization of the Sumer. This land is often called the "Cradle of Civilization". As the Sumerian villages grew into large cities, they formed city-states.
The first investigators determined that the ship sank because of D) an outside mine
Here you don't actually need to fully solve it to know the answer, because it is multiple choice. Just ignore the fractions and subtract the whole numbers: 8 - 13 = -21. So, the answer will be -21 and then a fraction. Looking at the answer choices, A matches this. So, A is the answer
