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What do Lungs Look Like ?

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A healthy lung is pink, smooth and shiny, people who smoke damage their lungs; a damaged lung is black, bumpy and dull. When you inhale, your lungs inflate and your can see yo…

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What is Statistics?

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Statistics is the study of the collection, organization, analysis, interpretation and presentation of data. It deals with all aspects of data including the planning of data co…

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Quotes About Night

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Night or nighttime is the period of time between the sunset and the sunrise when the Sun is below the horizon. This occurs after dusk. The opposite of night is day. A day with…

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What is Operating System?

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An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is an es…

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