To safeguard against groundwater contamination, sanitary landfills are to safeguard against groundwater contamination, sanitary landfills are located on slopes so water runs downhill located on industrial sites where groundwater is not used for drinking or agriculture lined with cement lined with plastic and compacted clay located in unpopulated areas

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

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.