The process by which rocks are worn down and altered over a period of time is called

The third stage of cellular respiration is (2 points)

What is the next step in the process after a substrate enters the active site of an enzyme

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