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.
Second-degree blood relatives share approximately 25 percent of their genes with one another. Moreover, in the United States, first cousins, first cousins once removed and first cousins twice removed are considered second-degree blood relatives. Third-degree blood relatives are great-grandparents or great-grandchildren. Approximately one-eighth of genetic material is shared between third-degree blood relatives. In the United States, second cousins are considered third-degree blood relatives. Blood relation decreases as the ancestral and genealogical lines become more distant.