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Ph D Doctor of SciencesStudents become scientists during this program, exploring the worlds of entomology, oceanography, meteorology, astronomy, chemistry, physics, zoology, and paleontology. Using ... |
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The World of Elements and Their PropertiesThere are 90 different elements, like the oxygen that we breathe, that can be found in nature. When two or more elements combine, they are held together by a chemical bond ... |
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