IDNLearn.com is your reliable source for expert answers and community insights. Get prompt and accurate answers to your questions from our community of experts who are always ready to help.
Answer:
Option B, river flooding
Explanation:
Egypt, Mesopotamia, and the Indus Valley are located along a river and hence they provide an advantage to farming. River bodies provide large amount of water for irrigating farmlands due to which it has been possible for people living in Egypt, Mesopotamia, and the Indus Valley regions to depend on farming as major source of income