The blood test for immunity to hepatitis A is called the Hepatitis A Total Antibody test.. People who have had hepatitis A and those who have received hepatitis A vaccine show positive antibodies to hepatitis A on this test for the rest of their life.
A subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.
B. Plates pulling apart. 52. Chains of volcanoes form where. A. A continental and an ocean plates collide and the edge of the oceanic plate melts as it sink into the mantle. The melted rock becomes magma. B. A continental and an ocean plates collide and the edge of the continental plate melts as it sink into the mantle. The melted rock becomes magma. C. A continental and an ocean plates collide and the edge of the oceanic plate melts as it sink into the core.