The people of Egypt, Mesopotamia, and the Indus Valley all farmed. What did they depend on for successful farming? O A) hybrid seeds O B) river flooding O C) manure and peat moss D) slave labor​

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

experiments.

surveys.

questionnaires.

interviews.

case studies.

participant and non-participant observation.

observational trials.

studies using the delphi method.

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