intro 1.16 - Definitions Resource-naturally occurring...

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Definitions Resource-naturally occurring concentration of liquid, gas, or solid (in such a form and amount that economic extraction is feasible) Renewable resource-naturally replenished Nonrenewbale-not replenished by natural processes (earth has fixed quantity) About 17,000 kg of new mineral materials are needed each year/human to maintain current lifestyle History: Curiosity-what?how?where?when? Greek philosopher-Empedocles-“fire-water-earth-air”(490 B.C) Homer-(850 B.C.) olympian-gods were related to various aspects of nature(Poseidon=seas, typhoon=source of tempests, Vulcan=volcano god) Aristotle-earth-sun as deities Pliny-earthquiakes-expression of the earths resentment DaVinci-landscapes sculpted by erosion Newton-gravity Becquerer-radioactivity Curie-heat and radiation Planck-energy emitted in discrete amounts-energy is proportional to frequency Einstein-relativity Wilson-Wilson cycle The Earth: -shape-Geoid -plate tectonics-Wilson’s idea space=surface (x, y), depth (z) time=relative, absolute
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intro 1.16 - Definitions Resource-naturally occurring...

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