Greenhouse Gases- atmospheric gases that trap warming solar radiation near Earth's surface.
Reservoirs- bodies of chemical entities that occupy particular spaces.
Flux- fluxes are rates of movement between reservoirs.
Respiration- the opposite of photosynthesis, whereas it employs energy, respiration releases energy.
*Organic compounds contain relatively small amounts of oxygen or none at all and are referred to as Reduced
Anoxic- an anoxic condition or anoxia is the virtual absence of O2. Reduced carbon compounds accumulate in
large quantities in anoxic bodies of water