Physical Geology : Earth systems

Jun 28th, 2015
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Earth < Solar system - Revolution/ Rotation- 23.5 degree tilt on axis- 70% water 30% Land- Spherical- Flattened at poles and bulging at equator.

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Physical GeologyChapter one: Earth systemsEarth < Solar systemRevolution/ Rotation23.5 degree tilt on axis70% water 30% LandSphericalFlattened at poles and bulging at equatorTopographyElevations from sea level Positive ElevationsAnticlines/MountainsNegative ElevationsAbyssal Plains/deep sea trenchesAtmosphere78% nitrogen 21% oxygen2 principal SubsystemsGeodynamoEnergizes the earth from the interior that was inherited from the big bang.LithosphereAsthenosphereDeep Mantle Outer CoreInner CoreClimateExterior energizerAtmosphereLithosphereHydrosphereCryosphereBiosphereGeologyThe study of planet Earth, moons, solar system2 broad systemsPhysical GeologyEarth MaterialsMinerals/RockProcesses of the EarthHistorical GeologyOriginEvolutionContinentsOceans AtmosphereLifeEvery aspect involves economic/environmental relevanceScientific MethodAsk QuestionsForm HypothesisGather MaterialsSetting an experimentAnalyze dataConcludeGlobal geological environmental issuesOverpopulationGreatest environmental Challenge9 billion people on earth by 2045Most population growth in areas with:Volcanic eruptionsLand slidesEarthquakesFloodsOther ChallengesSolid/Hazardous wasteWater/air pollutionFrom fossil fuels as main energyLeads toGreenhouse gas releaseGlobal warmingOrigin of the UniverseBig BangEvol. Of universeGoes from a dense hot state to an expansion, cooling, and less dense stateGalaxies are spreading from each other at

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