Multiple choice

What % of wastewater by society flows back into the ecosystem without being treated or reused?

  1. 45%

  2. 96%

  3. 80%

  4. 60%

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

According to the UN and various environmental agencies, approximately 80% of global wastewater is discharged back into the environment without adequate treatment, causing significant pollution.