Biology · Microbes in Human Welfare
The primary treatment of wastewater involves the physical removal of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Dissolved impurities
- 2Large and small particles through filtration and sedimentation✓
- 3Toxic substances
- 4Harmful bacteria
Correct answer
Large and small particles through filtration and sedimentation
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