People capture in war usually became part of which social class in Sumer.

Next came the working class, laborers who either worked in the city for the government or on their own farms. At the bottom of society were the slaves, captured from war and used to assist in the numerous projects happening around the city. So, daily life was very different for different people in Sumerian cities.

Explanation:

c it says nothing about connecting those 2 seas.

c.) biotic: snails; abiotic: temperature climate