Not all fonts have the letter M in them (for example Chinese), but all fonts have a height. The term has therefore come to mean the height of the font - not the width of the letter M. In CSS, the em unit is a general unit for measuring lenghts, for example page margins and padding around elements.
Boston University's largest study abroad program is located in London, England. Boston University London Programmes offers a semester of study and work in London through their London Internship Program (LIP), as well as a number of other specialized programs.
Buc is located 21 km south west of Paris, France. The old town and a part of the city is located inside the vallÃ©e de la BiÃ¨vre (BiÃ¨vre valley) at an altitude of approximately 100 meters. Most of its residential neighborhood are implanted on the plateau de Saclay (Saclay's plateau) at around 50 meters higher.