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Scientists and ResearchBernardo Houssay
Dr. Bernardo Houssay was a pioneering researcher of the endocrine system, the system of glands...
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Process of ScienceTheories, Hypotheses, and Laws
Theories are not based on one scientist's work but on an accumulation of evidence and...
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Earth ScienceIdentifying Minerals
Minerals are classified on the basis of their chemical composition, which is expressed in their...
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