Oil slick from the Montara oil spill in the Timor Sea, September 2009. An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity, and is a form of pollution.The term is usually applied to marine oil spills, where oil is released into the ocean or coastal waters, but spills may also occur on land.il slick from the Montara oil spill in the Timor Sea, September 2009. An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity, and is a form of pollution.
kin - group of people related by blood or marriage. clan, kin group, kindred, kinship group, tribe. social group - people sharing some social relation. mishpachah, mishpocha - (Yiddish) the entire family network of relatives by blood or marriage (and sometimes close friends); she invited the whole mishpocha.
Blood type (or blood group) is determined, in part, by the ABO blood group antigens present on red blood cells. A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs). Blood group A individuals have the A antigen on the surface of their RBCs, and blood serum containing IgM antibodies against the B antigen. 2  Therefore, a group A individual can receive blood only from individuals of groups A or O (with A being preferable), and can donate blood to individuals with type A or AB.