stratified structure
91Serous demilune — Section of submaxillary gland of kitten. Duct semidiagrammatic. (Demilune labeled at center bottom.) Gray s subject #242 1136 …
92National Longitudinal Study of Adolescent Health — The National Longitudinal Study of Adolescent Health (also called Add Health) is the only nationally representative study of adolescent sexuality, which has spawned over one thousand peer reviewed publications on many issues related to adolescent …
93Azolla event — The Azolla event occurred in the middle Eocene period,citation author = Henk Brinkhuis, Stefan Schouten; year = 2006 title = Episodic fresh surface waters in the Eocene Arctic Ocean journal = Nature volume = 441 issue = 7093 pages = 606–609 doi …
94Culture — For other uses, see Culture (disambiguation). Petroglyphs in modern day Gobustan, Azerbaijan, dating back to 10 000 BCE indicating a thriving culture …
95hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …
96Cross-validation (statistics) — Cross validation, sometimes called rotation estimation,[1][2][3] is a technique for assessing how the results of a statistical analysis will generalize to an independent data set. It is mainly used in settings where the goal is prediction, and… …
97Hierarchy — A hierarchy (Greek: hierarchia (ἱεραρχία), from hierarches, leader of sacred rites ) is an arrangement of items (objects, names, values, categories, etc.) in which the items are represented as being above, below, or at the same level as one… …
98rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …
99Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …
100star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …
