lime mud
81Jericho — This article is about the city in the West Bank. For other uses, see Jericho (disambiguation). Jericho Other transcription(s)  – Arabic أريحا  – Also spelled Ariha (official)  – Hebrew יְרִיחוֹ …
82Echinoderm — Temporal range: Cambrian–recent …
83Cave diving — is a type of technical diving in which specialized SCUBA equipment is used to enable the exploration of natural or artificial caves which are at least partially filled with water. It is an extension of the more common sport of caving, but is much …
84Yule Marble — Lincoln Memorial: exterior is all Yule Marble. Yule Marble is a type of metamorphed limestone found only in the Yule Creek Valley, in the West Elk Mountains of Colorado , just south of the town of Marble, Colorado ( …
85Tarim, Yemen — Tarim [Unicode|tarīm] ( ar. تريم) is a historic town situated in the Hadhramaut Valley of eastern Yemen. Tarim is widely acknowledged as the theological, juridical, and academic center of the Hadhramaut Valley. An important locus of Islamic… …
86Song Yingxing — (Traditional Chinese:宋應星; Simplified Chinese:宋应星; Wade Giles: Sung Ying Hsing; 1587 1666 AD) was a Chinese scientist and encyclopedist who lived during the late Ming Dynasty (1368 1644). He was the author of an encyclopedia that covered a wide… …
87Yarding — In poultry keeping, yarding is the practice of providing the poultry with a fenced yard in addition to a poultry house. Movable yarding is a form of managed intensive grazing.Yarding is often confused with free range. The distinction is that free …
88dormancy — /dawr meuhn see/, n. the state of being dormant. [1780 90; DORM(ANT) + ANCY] * * * ▪ biology Introduction state of reduced metabolic activity adopted by many organisms under conditions of environmental stress or, often, as in winter, when… …
89echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea …
90geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …
