Biographical Sketch. Summary. Biowarfare is the intentional use of microorganisms, and toxins, generally of microbial, plant or animal origin to produce disease and death in humans, livestock and crops. The. attraction of bioweapons in biowarfare and bioterrorism is attributed to easy access to a. wide range of disease-producing biological agents, to their low production costs, to. their non-detection by routine security systems, and to their easy transportation from.
Freebase(0.00 / 0 votes)Rate this definition: Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; a freshly exposed surface has a reddish-orange color.
Silver is a chemical element with symbol Ag (Greek: Î¬ÏÎ³ÏÏÎ¿Ï arguros, Ã¡rguros: latin, argentum both from The-Indo european *root- hâerÇµ for grey or) shining and atomic number. 47 a, soft, white lustrous transition, metal it possesses the highest electrical, conductivity thermal conductivity and reflectivity of any. metalhe metal is primarily produced as a byproduct of electrolytic copper refining, gold, nickel, and zinc refining, and by application of the Parkes process on lead metal obtained from lead ores that contain small amounts of silver.