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The O grade was equivalent to a GCE Ordinary Level pass which indicated a performance equivalent to the lowest pass grade at Ordinary Level.. Over time, the validity of this system was questioned because, rather than reflecting a standard, norm referencing simply maintained a specific proportion of candidates at each grade, which in small cohorts was subject to statistical fluctuations in ...
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.
Musicians can remember the notes associated with the five lines of the treble clef using any of the following mnemonics, EGBDF: (from the bottom line to the top) Every Good Boy Does Fine. [46] Every Good Boy Deserves Fudge (or Friendship, Fun, Fruit, etc.) Eggnog Gets Better During February; Empty Garbage Before Dad Flips; Eat Good Bread Dear ...
Magnesium ions (Mg 2+) in cellular biology are usually in almost all senses opposite to Ca 2+ ions, because they are bivalent too, but have greater electronegativity and thus exert greater pull on water molecules, preventing passage through the channel (even though the magnesium itself is smaller).
The International Baccalaureate Organization (IBO), [1] [2] more commonly known as the International Baccalaureate (IB), is a nonprofit foundation headquartered in Geneva, Switzerland, and founded in 1968.
AP Physics C: Mechanics and AP Physics 1 are both introductory college-level courses in mechanics, with the former recognized by more universities. [1] The AP Physics C: Mechanics exam includes a combination of conceptual questions, algebra-based questions, and calculus-based questions, while the AP Physics 1 exam includes only conceptual and algebra-based questions.
In physiology, respiration is the transport of oxygen from the outside environment to the cells within tissues, and the removal of carbon dioxide in the opposite direction to the environment by a respiratory system.
History of molecular mechanics – history of the uses Newtonian mechanics to model molecular systems. History of Flavor chemistry – history of someone who uses chemistry to engineer artificial and natural flavors. History of Flow chemistry – history of the chemical reaction is run in a continuously flowing stream rather than in batch ...