Multiple choice

Untreated human excreta leads to which type of pollution?

  1. Soil and water pollution

  2. Air and noise pollution

  3. Radio active element pollution

  4. Water pollution only
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A Correct answer
Explanation

Untreated human excreta contains pathogens, organic matter, and nutrients that contaminate both soil (through surface application or leakage) and water bodies (through runoff or direct discharge). This contamination spreads waterborne diseases, degrades ecosystems, and makes water unsafe for human use, affecting both environmental compartments.

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