Because the mud was rich and held strong since Mesopotamia was the "land between the rivers". The mud was from the banks of the yufrates and tigres river. (Check my spelling on the rivers)
Answer: They both had few slaves for large scale farming
Explanation:
Hard to see from the colours but I would say its the 2nd darkest one which I think is chinese
Answer: Usually in a traditional crime scene you can move through the process slowly. When working in a deployment zone/ hot zone you have a very little time, just minutes, to get in, collect all the evidence and move out of the scene quickly and safely. They are also limited in equipment along with vehicle/ transportation and safety.