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Uses. Reusable writing surface on which text or drawings are made. A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.
Website. www .jefcoed .com /claychalkvillehs. Clay-Chalkville High School (CCHS) is a public high school in Clay, a suburb of Birmingham, Alabama, United States. It is the second largest of the Jefferson County Board of Education's fourteen high schools. School colors are navy blue and silver, and the athletic teams are called the Cougars.
Monument Rocks (also Chalk Pyramids) are a series of large chalk formations in Gove County, Kansas, rich in fossils. The formations were the first landmark in Kansas chosen by the US Department of the Interior as a National Natural Landmark. The chalk formations reach a height of up to 70 ft (21 m) and include formations such as buttes and arches.
Calcite ( calcium carbonate) Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor. Chalk is common throughout Western Europe, where deposits underlie parts of ...
Extent. southern and eastern England. The Chalk Group (often just called the Chalk) is the lithostratigraphic unit (a certain number of rock strata) which contains the Upper Cretaceous limestone succession in southern and eastern England. The same or similar rock sequences occur across the wider northwest European chalk ' province '.
Papua New Guinea. v. t. e. In the United States, academic grading commonly takes on the form of five, six or seven letter grades. Traditionally, the grades are A+, A, A−, B+, B, B−, C+, C, C−, D+, D, D− and F, with A+ being the highest and F being lowest. In some cases, grades can also be numerical. Numeric-to-letter-grade conversions ...
Bastrop ISD. Bastrop Independent School District is a public school district in Bastrop, Texas, United States. The district serves the communities of Bastrop, [3] Camp Swift, [4] Cedar Creek, [5] Circle D-KC Estates, [6] Paige, [7] Red Rock, Rockne, [5] Wyldwood, [8] and other rural areas of Bastrop County. [5]
Hays Consolidated Independent School District is a public school district based in Kyle, Texas ( USA ). In addition to Kyle, the district serves the city of Buda, and other areas in northern Hays County. [1] The Hays Consolidated Independent School District reaches more than 221 square miles. The district's 23 campuses are located throughout ...