It all depends on how long it has been moving without that information it cannot be answered
Explanation:
Wastewater can contain physical, chemical and biological pollutants. Households may produce wastewater from flush toilets, sinks, dishwashers, washing machines, bath tubs, and showers. ... After treatment at a wastewater treatment plant, treated wastewater (also called effluent) is discharged to a receiving water body.
A)by providing water for irrigation and restoring trees to areas where forests once existed
Spiral and or in one of the arms and that's pretty much all right now
