Chemistry involves the study of solids, liquids and gases; and the transformations they undergo in combination with each other. Chemists engage in observation, analysis, and experimentation, breaking natural substances down into their components, replicating in the laboratory chemical processes that occur in the physical world and creating substances to fulfill specific needs. Chemical discoveries play an important role in helping us understand the world around us. Biochemistry, the study of chemical compounds and processes that occur in living organisms, has emerged as a field with growing impact on our ability to diagnose and treat diseases in animals, plants and humans.
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