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A literacy test assesses a person's literacy skills: their ability to read and write. Literacy tests have been administered by various governments, particularly to immigrants . Between the 1850s [ 1 ] and 1960s, literacy tests were used as an effective tool for disenfranchising African Americans in the Southern United States.
Then the practice was to join the teaching profession with a bachelor's degree either in arts or sciences, and after four years of teaching in a secondary school teachers get the one-year postgraduate diploma in education. The University of Ceylon used to take only 50–60 postgraduate diploma candidates at a time in an annual program.
A Praxis test is one of a series of American teacher certification exams written and administered by the Educational Testing Service. Various Praxis tests are usually required before, during, and after teacher training courses in the U.S. To be a teacher in about half of the states in the US, the Praxis test is required.
Llanite Llanite from the dike on Texas State Highway 16. Llanite is a porphyritic rhyolite with distinctive phenocrysts of blue quartz (a rare quartz color) and perthitic feldspar (light grayish-orangeish).
The classic path addition method of Hopcroft and Tarjan [1] was the first published linear-time planarity testing algorithm in 1974. An implementation of Hopcroft and Tarjan's algorithm is provided in the Library of Efficient Data types and Algorithms by Mehlhorn, Mutzel and Näher.
Lanthanites are frequently found as secondary minerals formed by the weathering of other minerals and occur as scales or tabular crystals. Originally identified at Bastnäs, Sweden, [9] they have subsequently been found in New Zealand, [10] Japan, [11] Madagascar, [12] Wales, [13] China, [14] France, [15] Germany, [16] Greenland, [17] Finland, [18] Canada, [19] Austria, [20] Romania, [21 ...
The liquid limit test is defined by ASTM standard test method D 4318. [4] The test method also allows running the test at one moisture content where 20 to 30 blows are required to close the groove; then a correction factor is applied to obtain the liquid limit from the moisture content. [5]
Acanthite is a form of silver sulfide with the chemical formula Ag 2 S. It crystallizes in the monoclinic system and is the stable form of silver sulfide below 173 °C (343 °F).