Cysts (1) Colonies (1) Agriculture (1) Specimens (1) Sensitive plant (1) Price-earnings ratio (1) Entamoeba (1) Water (1) Volume (Cubic content) (1) Sports records (1) Sodium (1) Sewage (1) Samples (Commerce) (1) Protozoa (1) Pollution (1) Phosphorus (1) Pension trusts (1) Nitrogen (1) Melancholy (1) Informers (1) Hydrogen-ion concentration (1) Helminths (1) Hand (1) Filters and filtration (1) Eutrophication (1) Engineering (1) Concord (1) Climatology (1) Climate (1) Average (1)