Queen Elizabeth II at the Trooping the Colour, London, on her Official Birthday, 14 June 2008. The day is marked in London by the ceremony of Trooping the Colour, which is also known as the Queen's Birthday Parade.he sovereign's birthday had been observed in Canada since 1845, when the parliament of the Province of Canada passed a statute to officially recognize Queen Victoria 's birthday, 24 May.
Answers.comÂ® is making the world better one answer at a time. Calcium comes from stars, I think from white dwarf stars that go supernova. Hopefully someone can improve this by giving more specifics.
The most important calcium compound is calcium carbonate, CaCO 3, the major constituent of limestone, marble, chalk, oyster shells, and corals. Calcium carbonate obtained from its natural sources is used as a filler in a variety of products, such as ceramics, glass, plastics, and paint, and as a starting material for the production of calcium oxide.