Within the academic discipline of cultural anthropology, according to the OED, matriarchy is a culture or community in which such a system prevails or a family, society, organization, etc., dominated by a woman or women. In general anthropology, according to William A. Haviland, matriarchy is rule by women.
Sources of sulfur dioxide pollution In 1963, more than 23 million tons of sulfur dioxide were discharged into the atmosphere of the United States. The fossil-fueled power plant is the chief contributor to sulfur dioxide emissions and accounts for over 40% of the total emission.
Mercury in Drinking Water. Mercury is a naturally occurring metal that combines with other elements to form inorganic mercury compounds. Mercury also combines with carbon to make organic mercury compounds. The major source of mercury is from natural degassing of the earth's crust. The U.S. EPA has found mercury in water has the potential to cause kidney damage from short-term exposures at levels above the maximum contaminant level (MCL).