Carbon and oxygen are in metabolic studies because: select one: a. they are inexpensive elements b. they are incorporated into organic material and common found in living things c. scientists know a lot about these two elements d. they are plentiful in nature

i do not know and i have a 100 in this class

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.