Ammonia (NH3) Nitrites (NO2-) Nitrates (NO3-) Untreated ​​​​​​​Wastewater 30 mg/L 30 mg/L 40 mg/L Tank 1 ​​​​​​​Output 30 mg/L 30 mg/L 0 mg/L Tank 2 ​​​​​​​Output 30 mg/L 0 mg/L 30 mg/L Tank 3 ​​​​​​​Output to River 0 mg/L 30 mg/L 30 mg/L explain your hypothesis