Answer:sand dunes
Explanation:
They are man made barriers, made of sand, to protect the coast from erosion from the incoming waves. They also help to control flooding from storm surge.
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.
6i) a meander is a bend in a stream
No, it is Russia’s capital city located in the European Part.