Earth's History and Global Change Test
Quiz by Errol Rose
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15 questions
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- Q1Of the four geologic time periods, shown below, which of them represented 90 percent of geologic time? Paleozoic, Precambrian, Mesozoic, or Cenozoic?PrecambrianCenozoicPaleozoicMesozoic120s
- Q2Greenhouse gases trap ___________ in the atmosphere, which makes the Earth _________________.heat, coolerozone, colderheat, warmerwater vapor, cooler120s
- Q3A petrified fossil forms when?gases escape from the organism and leave carbon behindan organism is frozenminerals replace all or part of an organisman organism becomes trapped in amber120s
- Q4Older rock layers end up at the bottom of the sequence and the newer ones toward the top. This is an example of which principle or law?Principle of UniformitarianismPrinciple of Cross-CuttingPrinciple of UncomformitiesLaw of Superposition120s
- Q5Why can't all organisms become fossils? Because.......When organisms die, soft parts decay or are eaten by other animals.Some organisms leave bones.Some plants leave seeds or woody parts.Some organisms have shells.120s
- Q6How does sending trash to landfills cause the release of more greenhouse gases?None of the AboveLandfills generate methaneLarger landfills, means fewer plantsBecause trees must be cut down to have landfills120s
- Q7_______________ fossils provide evidence of the activities of ancient organisms.PetrifiedMold & CastTraceIndex120s
- Q8Geologists use a method called _______________ dating to determine the exact age of rocks and fossils in each layer of rock.indexrelativecarbonradiometric or radioactive120s
- Q9During a Mass Extinction event many species of organisms are able to survive an environmental catastrophe. True or FalseTrueFalse120s
- Q10A fossil of a species that existed briefly and was wide spread geographically is a ____________ fossil.PetrifiedCarbonaceousTraceIndex120s
- Q11The Earth’s Ice Ages occurred when the temperature reached minimum values. Estimate how many Ice Ages occurred during the time recorded on this graphSixFourSevenThree120s
- Q12Which of the following is true about how today's climate change is different from past climate change?Through photosynthesis plants take in carbon dioxide and release oxygen.The greater the amount of carbon dioxide in the atmosphere the greater the temperature.Natural causes are not responsible.Volcanic eruptions can release carbon dioxide into the atmosphere.120s
- Q13Which of the following is not considered a greenhouse gas?Water VaporOxygenCarbon DioxideMethane120s
- Q14Why is the amount of carbon dioxide in the atmosphere increasing?Because the amount of Nitrogen gas in the atmosphere is decreasing.Because the amount of oxygen produced by plants is being reduced due to deforestation.Because the oceans are getting warmer.Because of the burning of fossil fuels, people are adding carbon to the atmosphere (in the form of carbon dioxide) faster than natural processes can remove it.120s
- Q15Which of the following is not an example of Global Climate Change?Melting GlaciersWarmer temperaturesRising Sea LevelsIncreasing sea ice120s
