If the process illustrated in the diagram is interrupted by a chemical at point X, there would be an immediate effect on the release of 1) Chlorophyll
(2) carbon dioxide gas
(3) nitrogen gas
(4) oxygen gas

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