Mercury (element) polluted water. They arise by a process known as biomethylation. Mercury is used primarily for the manufacture of industrial chemicals or for electrical and electronic applications. It is used in some thermometers, especially ones which are used to measure high temperatures. A still increasing amount is used as gaseous mercury in fluorescent lamps, while most of the other applications are slowly phased out due to health and safety regulations and is in some applications replaced with less toxic but considerably more expensive Galinstan alloy. Mercury and its compounds have been used in medicine, although they are much less common today
Real and substantial connection Real and substantial connection In Canadian law, a real and substantial connection or the real and substantial connection test is a legal principle used to determine whether a subject matter falls within a jurisdiction. The phrase was first adopted in Canada in the Supreme Court of Canada decision of "Libman v. The Queen" (1985). It is used in several circumstances in matters of conflict of laws. The test is primarily used to determine whether a Canadian court will recognize a foreign judgment where there was service ex juris. Courts will usually recognize a judgment from a foreign province or nation