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Pi, of course is used in geometry. Many people use pi to figure out the circumference of a circle and its diameter. It is used to find the equations of o, 1, e, pi, and i. For more
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Biology is simply the study of life, where it came from and what it needs to survive. We use it every day because without biology we wouldn't understand the world around us at all
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Algebra is used in everyday life by scientists and others who study issues like how fast diseases spread, or how to build a car that gets better gas mileage.
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One of the most important ways that we use chemistry everyday is breathing. Plants make oxygen through photosynthesis using the carbon dioxide that we exhale.
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