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121Poverty — Street children sleeping in Mulberry Street – Jacob Riis photo New York, United States (1890) Poverty is the state of one who lacks a certain amount of material possessions or money.[1] Absolute poverty or destitution is inability to afford …
122Invasive species — See also: List of invasive species, Introduced species, Pest (organism), and Weed North American beavers constitute an invasive species in Tierra del Fuego, where they have a substantial impact on landscape and local ecology through their… …
123Ennead — For the neo Platonist work by Plotinus, see Enneads.: For the Latin epic, see Aeneid.Ennead (Greek Polytonic|Ἐννεάς , meaning the nine ), an ancient Greek translation of the Egyptian word, Pesedjet, consists of a grouping of nine deities, most… …
124Hysteresis — Not to be confused with Hysteria. Fig. 1. Electric displacement field D of a ferroelectric material as the electric field E is first decreased, then increased. The curves form a hysteresis loop. Hysteresis is the dependence of a system not… …
125Water quality — A rosette sampler is used to collect samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality is the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of… …
126List of effects — This is a list of names for observable phenonema that contain the word effect, amplified by reference(s) to their respective fields of study. #*3D audio effect (audio effects)A*Accelerator effect (economics) *Accordion effect (physics) (waves)… …
127Parthiv Patel — Infobox cricketer biography playername = Parthiv Patel country = India fullname = Parthiv Ajay Patel nickname = living = true dayofbirth = 9 monthofbirth = 3 yearofbirth = 1985 placeofbirth = Ahmedabad, Gujarat countryofbirth = India dayofdeath …
128Principal-agent problem — In political science and economics, the principal agent problem or agency dilemma treats the difficulties that arise under conditions of incomplete and asymmetric information when a principal hires an agent. Various mechanisms may be used to try… …
