Heavy irrigation in an arid climate with high evaporation rates causes water to be drawn up through the soil profile by capillary action. What environmental problem does this create?

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A Leaching
B Salinization
C Desertification
D Compaction

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Answer: B. Salinization

Answer Explanation: B. When water evaporates rapidly at the surface in dry climates, it leaves behind dissolved mineral salts that were pulled up from the subsoil. This accumulation of salt makes the soil toxic to most crops.

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Heavy irrigation in an arid climate with high evaporation rates causes water to be drawn up through the soil profile by capillary action. What environmental problem does this create?

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