Environment & Ecology · Environmental Engineering
Which statement best explains why untreated industrial wastewater often requires separate consideration from domestic wastewater?
- 1It is always biodegradable and non-toxic
- 2Its composition is uniform across all industries
- 3It may contain toxic chemicals, extreme pH, oils, metals, or process-specific contaminants✓
- 4It never contains dissolved solids
Correct answer
It may contain toxic chemicals, extreme pH, oils, metals, or process-specific contaminants
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