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Serra da leba is a mountain range in the province of Hulla, Angola. Located near the city of Lubango, Serra de leba is famous for its altitude, for its beauty and for the Serra da leba pass. Breathtaking mountain road built in the 1970s spirals down from a high plateau elevation of 1845 meters to almost sea level in just over 10 kilometers; transversing 3/4 different climate zones during any ascent of descent.

Teachers assigned to teach lessons in which they are not experts is a universal problem. In the United States, 21% of English teachers and 28% of math teachers did not take English or Math (respectively) as a major nor minor in college (Archer, 1999). They have had no focused educational background in the course they are teaching. In 1996, more than half of public-school students in history classes were taught by a teacher who did not take history in college