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The stages of the epidemiologic transition are based on
Atomic Symbol
A one or two-letter notation representing a chemical element (e.g., H for hydrogen, O for oxygen).
Nickel
A hard, silvery-white metallic element with the elemental symbol "Ni" and atomic number 28, used in alloys and to galvanize iron.
Atomic Symbol
A one or two-letter notation used to represent an element on the periodic table uniquely.
Argon
A noble gas element with atomic number 18, colorless, odorless, and inert, used in lighting and welding due to its non-reactive nature.
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