a rapid rise in sea level
61Wales — This article is about the country. For other uses, see Wales (disambiguation) …
62immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …
63Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
64Flood control — For the protocol issue, see Flood control (communications). A weir was built on the Humber River (Ontario) to prevent a recurrence of a catastrophic flood. Flood control refers to all methods used to reduce or prevent the detrimental effects of… …
65Deep-ocean Assessment and Reporting of Tsunamis — A diagram of the Dart II System A tsunami b …
66Geology of England — The Geology of England is mainly sedimentary. The youngest rocks are in the south east around London, progressing in age in a north westerly direction. [ [http://www.soton.ac.uk/ imw/Geology Britain.htm Southampton University] retrieved 21/1/07]… …
67Geology of Great Britain — The Geology of Great Britain is hugely varied and complex, and gives rise to the wide variety of landscapes found across the islands. This varied geology has also meant that the island has been an important source for the formation of many… …
68Tidal bore — Aegir redirects here. For the mythological figure, see Ægir. For the moon of Saturn, see Aegir (moon). The tidal bore in Upper Cook Inlet, Alaska A tidal bore (or simply bore in context, or also aegir, eagre, or eygre) is a tidal phenomenon in… …
69Thermocline — Aquatic layers Pelagic    Photic       Epipelagic …
70Classic Maya collapse — Maya civiliza …
