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30 May, 22:03

Early civilizations modified the physical environment by creating irrigation systems and dams. What was the purpose of these modifications?

A to reduce the animal population

B to create more fertile land for growing crops

C to provide better defense for cities

D to allow for easier travel between cities

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Answers (2)
  1. 31 May, 00:26
    0
    B. To create more fertile land for growing crops
  2. 31 May, 01:04
    0
    B. to create more fertile land for growing crops
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