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Science 225 exam 2 questions well answered graded A+

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Science 225 exam 2How do we know climate of the last? - correct answer Ice cores and sedimentary rocks Louis Agassiz - correct answer 1830s-European Alps glaciation hypothesis Glacial erratic - correct answer Boulders of rocks out of place Glacial striations - correct answer Grooves in rocks moving in same direction HMS challenger - correct answer : fossils different in cold and warm areas Milankovitch - correct answer s: change in orbital parameters forces climate change hypothesis Frank Libby - correct answer 1947: dated wood in glacial material and C-14 half life abojt 5,730 years Relative dating - correct answer Law of superposition Absolute dating - correct answer Radioisotopes Cesare Emiliano - correct answer 1950s: ocean sediment cores and foram shells calcium carbonate (O18/O16 ratios) James Hays - correct answer 1976: mathematically supported Milankovitch Joides resolution - correct answer 1985-present: sediment cores give inferences of temperature


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