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10 questions
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- Q1Radioactive dating is used to find:The identities of index fossilsThe relative age of rocks and fossilsThe locations of index fossilsAbsolute age of rocks and fossils30s
- Q2The earliest part of Earth’s history is called the:PrecambrianHoloceneCambrianCenozoic30s
- Q3This law states that in undisturbed layers of rocks, the oldest rock layers are at the bottom and the youngest layer is at the top.UnconformityRelative AgeFaultSuperposition30s
- Q4Geologic time is divided best into units based on:Fossils and rocksTypes of trilobitesTypes of life forms living in certain periodsGeologic changes30s
- Q5The type of Earth material most likely to contain fossils is:Igneous rockMetamorphic rockNative materialSedimentary rock30s
- Q6Trilobite that lived for a short period of time and was abundant is an example of a(n):Permineralized fossilTrace fossilOriginal remainsIndex fossil30s
- Q7To learn how Earth’s atmosphere has changed over time scientists study air bubbles in which of the following?PollenRock containing uraniumfossils in sedimentary rockIce cores30s
- Q8Rocks and fossils that are similar are found in Asia and Africa. This is evidence of:Fossil recordlaw of SuperpositionContinental driftRock cycle30s
- Q9A scientist wants to find the relative age of a rock. He most likely would use:Radioactive datingIce coresGeologic time scaleThe law of superposition30s
- Q10In which situation will older rock layers lie above younger rock layer?Igneous intrusions have cut through sedimentary rockSedimentary rock layers have remained undisturbedErosion has exposed older rocks, and new layers have been depositedRock layers have been overturned by folding - plate tectonics30s