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 D. Caused by hepatitis delta agent which is considered a subviral satellite as it can only propagate in the presence of the Hepatitis B virus. Hepatitis D, sometimes called hep D or HDV, is a liver disease caused by the hepatitis D virus (HDV), a defective virus that needs the hepatitis B virus to exist.he hepatitis B virus is transmitted in the blood and body fluids of someone who is infected the same way the human immunodeficiency virus (HIV), the virus that causes AIDS, spreads. Yet hepatitis B is nearly 100 times as infectious as HIV.