A. Because the Egypt and Indus valley are in the desert, living near a river gave access to a food supply, water and better soil for growing crops. There were better resources to build shelter, and the river provided a safe route of transportation to other areas.
Answer:
humidity oxygen content and salinity are abiotic
Answer:
People can fight against who is the best and who is the leader like the Sunnis and the Shias fight over who is the leader of Muslims.
Explanation:
