Simon is comparing the communities of living things that live in two bodies of water: a long river, and the ocean bay just beyond the mouth of the river. Comparing which of these abiotic factors would be MOST useful for Simon to explain the differences in the communities

Silicon is cut into tiny pieces for computer chipslead is melted to form pelletsliquid water freezes to form ice

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.

The reactants are co_{2} aka carbon dioxide and h_{2}o aka water along with light energy