Presentation on theme: "Natural Resources Renewable"— Presentation transcript:
1 Natural Resources Renewable Resource that has the ability to renew itself over a relatively short period of time and can last as long as the Earth.PlantsAnimalsSurface waterSoilSunshine
2 Renewable ResourcesRenewable Resources can be considered Non-Renewable when:Animals become extinct.Droughts & Chemical Spills – groundwaterPollution – oxygen supply, trees, animals, soil
3 Natural Resources Nonrenewable Resources that cannot be replenished by nature within our lifetimes, and therefore are in limited supply.Fossil FuelsMetalsMinerals
4 Fossil Fuels coal (remains of ancient swamps and forests) Any hydrocarbon that may be used as a source of energyFormed from organic matter (plants and animals) which were buried millions of years ago. Over time, the pressure of the massive weight of rock and mud which covered the organic matter created heat, which changed this matter over a period of several hundred million yearscoal (remains of ancient swamps and forests)oil (remains of ancient marine organisms)natural gas – less dense than water (rises)
5 Oil TrapA geologic structure that allows large amounts of fluid to accumulatePermeable reservoirImpermeable cap preventing migration of fluids up
6 Alternative Energy Resources Tar SandsClay, sand, water, black tar mixtureRequires energy to refine – ½ of what is producedOil ShaleContains kerogen (waxy hydrocarbon)Unprofitable solution (1/8 heat energy of crude oil)
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