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 is a serious disease caused by the hepatitis B virus (HBV). Infection with this virus can cause scarring of the liver, liver failure, liver cancer, and even death.Hepatitis B is spread in infected blood and other bodily fluids such as semen and vaginal secretions.It is spread in the same way that the virus that causes AIDS (HIV) is spread but hepatitis B is 50 to 100 times more infectious. Most people who are infected with hepatitis B in the U.S. do not know they have it.t is spread in the same way that the virus that causes AIDS (HIV) is spread but hepatitis B is 50 to 100 times more infectious. Most people who are infected with hepatitis B in the U.S. do not know they have it.