expiration dates
How to read expiration dates on food packaging.
© American Chemical Society (A Britannica Publishing Partner)
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© Open University (A Britannica Publishing Partner)Learn about the Internet and its effect on verbal communication.
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Contunico © ZDF Studios GmbH, Mainz; Thumbnail Gary Todd; © Georgios Kollidas/Dreamstime.comOverview of the invention of the telephone, with a focus on the work by Alexander Graham Bell.
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© American Chemical Society (A Britannica Publishing Partner)Understanding food labels, nutrition, and health.
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Encyclopædia Britannica, Inc.The revolution in the automobile industry from the early years to now with greener, electric, high-technology cars.
