geologic time natural resources test review. write the words that come to mind… eras...
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![Page 1: GEOLOGIC TIME NATURAL RESOURCES TEST REVIEW. Write the words that come to mind… ERAS Precambrian-oxygen,stramatollites (longest 88%) Paleozoic-plants](https://reader035.vdocument.in/reader035/viewer/2022062713/56649f535503460f94c782f3/html5/thumbnails/1.jpg)
GEOLOGIC TIMEGEOLOGIC TIMENATURAL RESOURCESNATURAL RESOURCES
TEST REVIEWTEST REVIEW
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Write the words that come to mind…Write the words that come to mind…
ERASERASPrecambrian-oxygen,stramatollites Precambrian-oxygen,stramatollites (longest 88%)(longest 88%)Paleozoic-plants cambrian explosionPaleozoic-plants cambrian explosionMezazoic-dinosaur and birdsMezazoic-dinosaur and birdsCenozoic-humans elephants and Cenozoic-humans elephants and horseshorses
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DATING ROCKSDATING ROCKS• Radioactive isotopes-halflife• Older rocks below younger(superpoisition)• fossils
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• Layer 2 is younger than layer 5• Layer 6 is younger than layer 2 but older than
1
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FOSSILSFOSSILS• 3000 years old• Trace fossils • Resin• Palentologists-study fossils• Organism- water and sand
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ELECTRICITYELECTRICITY• Coal is largest source of generating• Hydropower• Nuclear• Natural gas
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COALCOAL• Peat, lignite, bitumen, anthracite• Fossil fuel• Non renewable• Cheap• Air pollution, water• Habitat destruction• Mtn top mining• Open pit mining• Strip mining
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TAR SANDSTAR SANDS• Canada• Keystone Pipe lineBitumen• Texas• Environmental concerns• Oil spill• Agriculture• Heat• Lots of h2o and energy
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FRACKINGFRACKING• Pumping of water sand and bad chemicals• Materials get in water, natural gas• Region called-Marcellus Shale
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MOUNTAIN TOP MININGMOUNTAIN TOP MINING• Dest of ppl homes• Coal• Pollution• BAD water• Flooding• Chemicals pressure
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CARBON DIOXIDECARBON DIOXIDE• Global warming• Burning of fossils fuels• CO2
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NATURAL GASNATURAL GAS• Use to generate elec• Cheap• GHG• Fracking is used to get• Found with oil• hydrocarbon
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NONRENEWABLE NONRENEWABLE ENERGY SOURCESENERGY SOURCES
• Fossil fuels• Tar sand, biomass(trees), oil shale
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FOSSIL FUELSFOSSIL FUELS• Oil gas coal non renew• Remains of organic material
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OILOIL• 6000 products• Natural gas• Drilling