depth+or+depths
101Caribbean Sea — a part of the Atlantic Ocean bounded by Central America, the West Indies, and South America. ab. 750,000 sq. mi. (1,943,000 sq. km); greatest known depth 22,788 ft. (6946 m). Also called Caribbean. * * * Arm of the Atlantic Ocean. It covers about …
102Saturn — /sat euhrn/, n. 1. an ancient Roman god of agriculture, the consort of Ops, believed to have ruled the earth during an age of happiness and virtue, identified with the Greek god Cronus. 2. Astron. the planet sixth in order from the sun, having an …
103Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …
104marine ecosystem — Introduction complex of living organisms in the ocean environment. Marine waters cover two thirds of the surface of the Earth. In some places the ocean is deeper than Mount Everest is high; for example, the Mariana Trench and the… …
105Oceanic trench — Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. The oceanic trenches are hemispheric scale long but narrow topographic depressions of the sea floor. They are also the… …
106Mantle (geology) — For other uses, see Mantle (disambiguation). Earth cutaway from core to exosphere. The mantle is a part of a terrestrial planet or other rocky body large enough to have differentiation by density. The interior of the Earth, similar to the other… …
107Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… …
108hydrologic sciences — Introduction the fields of study concerned with the waters of the Earth. Included are the sciences of hydrology, oceanography, limnology, and glaciology. In its widest sense hydrology encompasses the study of the occurrence, the… …
109Periodontitis — Infobox Disease Name = Periodontal disease Caption = This radiograph shows significant bone loss between the two roots of a tooth. The spongy bone has receded due to infection under tooth, reducing the bony support for the tooth. DiseasesDB =… …
110Black Sea — a sea between Europe and Asia, bordered by Turkey, Rumania, Bulgaria, Ukraine, Georgia, and the Russian Federation. 164,000 sq. mi. (424,760 sq. km). Also called Euxine Sea. Ancient, Pontus Euxinus. * * * Sea between Europe and Asia. Bordered by… …
