Courses
Chemistry is the study of how a set of substances with particular physical propertiesÑlike solid paper and the oxygen in the airÑcan react with each other to form different substances with entirely different propertiesÑlike gaseous water and carbon dioxide. In most cases, these chemical changes result in an energy change...
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Chemistry is the study of how a set of substances with particular physical propertiesÑlike solid paper and the oxygen in the airÑcan react with each other to form different substances with entirely different propertiesÑlike gaseous water and carbon dioxide. In most cases, these chemical changes result in an energy change...
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Students join various native speakers of Mandarin Chinese as they give a lively introduction to the language and its rich culture. Set in their everyday environment, the native speakers take students through different daily scenarios and give them the necessary skills to read, write, and speak Chinese. In this course,...
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A citizen is a person who is legally recognized by a state and entitled to the stateÕs rights and privileges. Civics is the study of the rights and duties of such a person. One of the best ways to understand your rights and duties as a citizen is to study...
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