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Most IGCSE subjects offer a choice of tiered examinations: Core or Extended papers (in Cambridge International), and Foundation or Higher papers (in Edexcel). This is designed to make IGCSE suitable for students with varying levels of ability. In some subjects, IGCSE can be taken with or without coursework.
each country is free to choose its team by whatever means it seems appropriate, the selection involves holding regional and national olympiad competitions. Many countries hold "training camps" for its top students, where mentors from the country give the students accelerated college-level courses in chemistry with an emphasis on the topics ...
Gabriel–Colman rearrangement mechanism. The reaction mechanism [5] [6] starts with an attack on the carbonyl group by a strong base, such as methoxide ion. The ring is then opened, forming an imide anion.
Desorption is the physical process where adsorbed atoms or molecules are released from a surface into the surrounding vacuum or fluid. This occurs when a molecule gains enough energy to overcome the activation barrier and the binding energy that keep it attached to the surface.
In 1879 the art school began a close working relationship with the City and Guilds Institute. This lasted until 1971 when the art school became an independent charity. The art school focuses on undergraduate and postgraduate study of fine art, stone, and wood carving, and the conservation of three-dimensional cultural artefacts, books, and paper.
Schiaparelli EDM (Italian: [skjapaˈrɛlli]) was a failed Entry, Descent, and Landing Demonstrator Module (EDM) of the ExoMars programme—a joint mission of the European Space Agency (ESA) and the Russian Space Agency Roscosmos. [4]
Great Britain does not have any active volcanoes now, but has had an active volcanic past. The last active volcanoes stopped erupting about 60 million years ago and the islands are no longer located upon any tectonic boundary or active volcanic region, nor are there other geological phenomena in the island group able to give rise to active ...
The World's Biggest Gang Bang III – The Houston 620 is a 1999 pornographic film directed by Greg Alves. [1] The film is hosted by Ron Jeremy , and stars Houston in a gang bang format. [ 2 ] The film won the 2000 AVN Award for being the 'Best Selling Tape" of 1999.