A farmer in the south finds white salt crusts on irrigated fields. Which explanation fits Iraq's conditions?

Answer and explanation

Correct answer: A. High evaporation and poor drainage leave dissolved salts in the soil

  1. Step 1: Hot climate, flat land and a high water table cause salinity in southern Iraq. Answer: High evaporation and poor drainage leave dissolved salts in the soil. Why not the others: The south has little rain or snow, and no volcanic ash falls there.

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