Ageographical area where plants, animals, the landscape and the climate all interact together is called a(n)

environment.
ecosystem.
biome.
food web.

for the points

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?