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''Chemistry'' - The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems. | ''Chemistry'' - The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems. | ||
''Geology'' - The scientific study of the origin, history, and structure of planets. | |||
''Microbiology'' - The study of microorganisms and their effects on other living organisms. | ''Microbiology'' - The study of microorganisms and their effects on other living organisms. |