The first one. The use of irrigation.
It’s limited and unlimited resources
Answer:
Han?
Explanation:
If by civilizations you mean ethnic groups it would be the Han.
Answer:
c
Explanation:
Why is one side of the moon called the "dark side of the moon" ? A. Earth is in The moon's Shadow B. the moon both rotates on its axis and revolves around Earth every 28 days. C. The moon is in Earth's Shadow.