Question

Give two reasons why some metals need to be removed from soil or water.​

Answer 1

Answer:

Ex situ remediation techniques, although expensive, have the basic advantage of removing high concentrations of heavy metals from polluted soils. These conventional remediation techniques include soil washing, landfilling and leaching, electrokinetic treatment, and soil immobilization.

Explanation:

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Answer 2

Answer:

Ex situ remediation techniques, although expensive, have the basic advantage of removing high concentrations of heavy metals from polluted soils. These conventional remediation techniques include soil washing, landfilling and leaching, electrokinetic treatment, and soil immobilization.

Explanation:

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