Correct option is D
The environmental problems associated with soils include:
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(A) Nutrient leaching: The process where essential soil nutrients are washed away by water.
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(B) Metal contamination: Soils can become contaminated with metals like lead or mercury, often due to industrial pollution.
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(C) Salinity and Alkalinity: An excess of salts or alkaline substances in the soil, affecting soil fertility.
Information Booster:
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Ozone depletion: Affects the atmosphere, not the soil.
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Fine aerosols in ambient air: Refers to air quality issues, not directly related to soil health.