Copper can be mixed with other metals to form alloys, such as bronze (copper and tin) and brass (copper and zinc). Oxidized copper, or copper that has been exposed to air, develops a green coating or âpatinaâ that can be seen on old copper pennies, the Statue of Liberty, and copper roofs.
hepatitis b is an infectious hepatitis caused by the hepatitis b virus hbv this infection has two possible phases 1 acute and 2 chronic acute hepatitis b refers to newly acquired infections affected individuals notice symptoms approximately 1 to 4 months after exposure to the virusepatitis b is an infectious hepatitis caused by the hepatitis b virus hbv this infection has two possible phases 1 acute and 2 chronic acute hepatitis b refers to newly acquired infections affected individuals notice symptoms approximately 1 to 4 months after exposure to the virus
hepatitis b transmission and causes the hepatitis b virus is known as a blood borne virus because it is transmitted from one person to another via blood or fluids contaminated with blood another important route of transmission is from an infected mother to a newborn child which occurs during or shortly after birthhe hepatitis b virus is known as a blood borne virus because it is transmitted from one person to another via blood or fluids contaminated with blood another important route of transmission is from an infected mother to a newborn child which occurs during or shortly after birth