drinking water protective area
41Bryozoa — Temporal range: Upper Cambrian–Recent[1] …
42heteropteran — ▪ insect order Introduction any member of the insect order Heteroptera, which comprises the so called true bugs. (Some authorities use the name Hemiptera; others consider both the heteropterans and the homopterans to be suborders of the… …
43Fireworks — Firework redirects here. For other uses, see Fireworks (disambiguation). Pyrotechnics portal …
44bone — /bohn/, n., v., boned, boning, adv. n. 1. Anat., Zool. a. one of the structures composing the skeleton of a vertebrate. b. the hard connective tissue forming the substance of the skeleton of most vertebrates, composed of a collagen rich organic… …
45Bône — /bohn/, n. former name of Annaba. * * * I Rigid connective tissue of vertebrates, consisting of cells embedded in a hard matrix. Bones serve as the body s supporting framework, provide muscle attachment points for movement, protect the internal… …
46Biological warfare — For the use of biological agents by terrorists, see bioterrorism. Weapons of mass destruction …
47Samata — of India was formed as a social action group of highly motivated youth cadres committed to uphold the traditional, constitutional and human rights of the tribal people. Initiated in 1987 and formally registered in August 1990 under the Societies… …
48Electrical resistivity and conductivity — This article is about electrical conductivity in general. For the specific conductance of aqueous solutions, see Conductivity (electrolytic). For other types of conductivity, see Conductivity. Electrical resistivity (also known as resistivity,… …
49Asbestos — For other uses, see Asbestos (disambiguation). Fibrous asbestos on muscovite …
50radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
