Phycoerythrin is the red pigment found in red algae. Phytoplankton are microscopic plants that are free floating in the open water. Phytoplankton biomass is the weight of the living phytoplankton in a given area. Potable water is water that is suitable to drink. In an aqueous solution, it can refer to the settling out of a substance due to a chemical reaction or a state of supersaturation.
Pyrite oxidation is the chemical reaction that occurs between oxygen and pyrite.
Pyrite, commonly known as fool's gold, is widely distributed in rock of all ages and is used chiefly as a source of sulfur for sulfuric acid. Top R A reducing agent is a substance which causes another element or compound to go from higher to a lower oxidation state in a chemical reaction. Respiration is the process during which organisms metabolize food molecules to get energy for growth and maintenance, consuming oxygen and giving off carbon dioxide. RNA is the abbreviation for ribonucleic acid. Top S Sedimentation occurs in lakes or streams during the natural decaying processes of plants and animals in which the decaying matter settles to the lake or stream bottom.