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.
This metal is very light, non-ferrous and does not rust. Brass or bronze is typically seen in musical instruments, decorative pieces, pipe valves and manifolds. It is a yellowish color and is generally about 50% the value of copper #1, as it is a copper alloy. Copper is seen often in cookware, electronics and wiring.Pure copper is pink, but tarnished copper is usually brown or red. When oxidized, copper turns to green such as we see in the Statue of Liberty.t is a yellowish color and is generally about 50% the value of copper #1, as it is a copper alloy. Copper is seen often in cookware, electronics and wiring. Pure copper is pink, but tarnished copper is usually brown or red. When oxidized, copper turns to green such as we see in the Statue of Liberty.