Multiple choice

What is produced during treatment of waste water which is used as a manure?

  1. Nitrogen

  2. Sulphur

  3. Sludge

  4. Biogas
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

During wastewater treatment, sludge is processed and can be used as nutrient-rich manure or fertilizer due to its organic content and beneficial microorganisms. The sludge undergoes stabilization to reduce pathogens and is then safely applied to agricultural land as a soil amendment.

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