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1 March, 06:25

Which statement best describes why the Indus River Valley civilization declined? A. Some theories are that the soil grew salty, disease killed many people, and the land became deforested. B. Archaeological evidence shows that the population declined from constant warfare. C. The accepted theory is that a huge flood wiped out almost the entire population. D. Written records from the time indicate that earthquakes destroyed the Indus River Valley cities ...