notes 8-18-08

notes 8-18-08 - Ex a lake> receiving rainfall yet water...

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Geography 1111 8/18/08 Systems: Open vs. Closed System- set of interrelated compnents that exchange energy and matter ( a commodity). Energy- the ability to do/accomplish work. Matter- stuff, substances made up of molecules and atoms. Open system- open to the outside exchanging materials.
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Unformatted text preview: Ex- a lake-> receiving rainfall yet water evaporates. Closed system- uncommon Ex: earth’s atmosphere system-almost closed. Exception is meteors. Equilibrium is a balance-inputs=outputs....
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