Environment & Ecology · Environment
Which of the following statements regarding environmental pollution is incorrect?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Domestic and hospital sewage contain mostly organic pollutants and pathogenic microbes.
- 2Wastewater from industries like petroleum and paper manufacturing often contains toxic substances.
- 3Organic compounds are also present in industrial sewage.
- 4Heavy metals are strictly defined as elements with a density > 7 g/cm3.✓
Correct answer
Heavy metals are strictly defined as elements with a density > 7 g/cm3.
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