Which of the following is NOT listed as a common soil pollutant in the material?

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Multiple Choice

Which of the following is NOT listed as a common soil pollutant in the material?

The idea here is to recognize substances that are considered common soil pollutants versus normal soil components. Petroleum hydrocarbons, pesticides, and solvents are typically listed as soil pollutants because they can persist in the soil, be toxic to organisms, and potentially migrate to groundwater. Water vapor, by contrast, is just moisture in the air and in soil pores; it does not accumulate as a contaminant or pose the same risks. It’s a natural part of the soil–air–water balance, not a pollutant, so it isn’t listed among common soil pollutants.

The idea here is to recognize substances that are considered common soil pollutants versus normal soil components. Petroleum hydrocarbons, pesticides, and solvents are typically listed as soil pollutants because they can persist in the soil, be toxic to organisms, and potentially migrate to groundwater. Water vapor, by contrast, is just moisture in the air and in soil pores; it does not accumulate as a contaminant or pose the same risks. It’s a natural part of the soil–air–water balance, not a pollutant, so it isn’t listed among common soil pollutants.

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