I think it’s because your immune system isn’t as strong as it was when you were a child
It's B, scarcity of water decreasing is not caused by urbanization.
Cheers, Irys
Answer:
The Akkadian Empire was the first known empire of all human history. A great king of a city known as Akkad, Sargon the Great (2334-2279 BCE), was the first ruler to ever have built an empire. He unified Mesopotamia under his rule and set the standards for future forms of government in the region .
Explanation: