Environment & Ecology · Environmental Science
Heavy metals are predominantly retained in soil or sludge over long periods primarily through which of the following mechanisms?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Complexation by humic substances in organic particles✓
- 2Adsorption onto the surface of mineral particles
- 3Precipitation reactions in solution
- 4Solubilization under highly acidic conditions
Correct answer
Complexation by humic substances in organic particles
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