Question

Identify two cost effective methods society can use to preserve the quality of our water

Answer 1

Answer: In general it is a good idea to 1) Protect fresh drinking water resources. and 2) Maintain essential aquatic ecosystems.

Explanation: fresh water resources are water in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers, streams, and even underground water called groundwater. An aquatic ecosystem is an ecosystem in a body of water. Communities of organisms that are tied to each other and on their environment live in aquatic ecosystems. The two principal types of aquatic ecosystems are marine ecosystems and freshwater ecosystems.

Answer 2

The most economical way to preserve our water by preserving the natural purification sources such as wetlands and swamps.  Also, you could also use desalination processes to take water from the oceans and make it drinkable. This are less economical as they cost money for the energy. Hope this answers the question.