Definition of walkathon for English Language Learners. : an organized event in which people walk to raise money for a particular cause or group.
EAT (UTC+3) Merca (Somali: Marka, Arabic: ÙØ±ÙØ©ââ) is an ancient port city in the southern Lower Shebelle province of Somalia. Facing the Indian Ocean, it is the main town in the province. It is located approximately 109 km (68 mi) to the southwest of the nation's capital Mogadishu. 1 History.
Mercator projection. The Mercator projection is a cylindrical map projection presented by the Flemish geographer and cartographer Gerardus Mercator in 1569. It became the standard map projection for nautical purposes because of its ability to represent lines of constant course, known as rhumb lines or loxodromes, as straight segments that conserve the angles with the meridians. Although the linear scale is equal in all directions around any point, thus preserving the angles and the shapes of small objects, the Merca