PLZ ANSWER BY 9:15 The citizens of Ecotown want to protect the quality of their soil fresh water and air. Suggest a plan for Ecotown that includes steps for achieving sustainable use of each of those three categories of resources.

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of