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      Question

      Salinization in agricultural soils is primarily caused

      by:
      A Excessive rainfall Correct Answer Incorrect Answer
      B Over-irrigation Correct Answer Incorrect Answer
      C Deforestation Correct Answer Incorrect Answer
      D Volcanic activity Correct Answer Incorrect Answer
      E High organic matter Correct Answer Incorrect Answer

      Solution

      Poor drainage and evaporation in arid regions concentrate salts from irrigation water.

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