depletion of oxygen supplies

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• Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …   Wikipedia

• Oil depletion — per major producing country. This model assumes world oil depletion remains constant at the 2004 level of 80 million barrels per day.[1] However, world oil depletion is currently (as of 2008) at 85 million barrels per day …   Wikipedia

• Resource depletion — For other uses, see Depletion (disambiguation). Resource depletion is an economic term referring to the exhaustion of raw materials within a region. Resources are commonly divided between renewable resources and non renewable resources. (See also …   Wikipedia

• Eutrophication — The eutrophication of the Potomac River is evident from its bright green water, caused by a dense bloom of cyanobacteria. Eutrophication (Greek: eutrophia healthy, adequate nutrition, development; German: Eutrophie) or more precisely… …   Wikipedia

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• pollution — /peuh looh sheuhn/, n. 1. the act of polluting or the state of being polluted. 2. the introduction of harmful substances or products into the environment: air pollution. [1350 1400; ME pollucioun ( < OF) < LL pollution , s. of pollutio… …   Universalium

• Postictal state — Symptoms= Jerome Engel defines the postictal state as “manifestations of seizure induced reversible alterations in neuronal function but not structure.” cite book last = Engel first = Jerome Jr. authorlink = Engel title = Seizures and Epilepsy… …   Wikipedia

• Pollution in eloor — ENVIRONMENTAL POLLUTION Environmental pollution is the addition of any substance or form of energy (e.g., heat, sound, radioactivity) to the environment at a rate faster than the environment can accommodate it by dispersion, breakdown, recycling …   Wikipedia

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Peak oil — A logistic distribution shaped production curve, as originally suggested by M. King Hubbert in 1956 …   Wikipedia