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Select all of the answers that apply. Four laws or principles are involved with the study of stratigraphy. They are _____. law of original horizontality law of superposition law of original lateral continuity law of gravity and oppositional force law of cross-cutting relationships Question #2MultipleSelect Score: Select all of the answers that apply. The Cretaceous-Tertiary extinction, the most famous of the Big Five, has been attributed to what major event(s) that triggered the extinction of the dinosaurs? an asteroid hitting the earthmassive volcanoes erupting around the worldrapid growth
of forests on land surfacesfalling sea levelsincreased competition from mammals Question #3MultipleChoice Score: The idea that the processes that formed the earth have taken more than thousands of years instead of quickly is known as _____. catastrophismpunctualismgradualismmovementuniformism Question #4MultipleSelect Score: Select all of the answers that apply. What type of information do scientist use to determine the approximate age of the earth? waterlayers of rockfossilsatmospheric pressure Question #5Matching Score: Match each time interval with its description. 1. period major divisions of geologic time within each era 2. era longest interval of geologic time 3. eon major divisions of geologic time within each eon Question #6MultipleSelect Score: Select all of the answers that apply. Events or processes that have been suggested as causes of mass extinctions include _____. meteor strikesclimate changedramatic changes in levels of atmospheric carbon dioxidetransitions between geologic eraswidespread volcanic activity Question #7MultipleChoice Score: According to stratigraphy and its laws, what is the correct order – from oldest to youngest – of the following rock strata: B, C, A, DD, C, B, AB, C, D, AA, B, C, D Question #8MultipleChoice Score: Sediment spreads horizontality and it goes from youngest on top to oldest on bottom. When sediment deposits in water, it also spreads flat in all directions until it either runs out of material and pinches off or it hits a barrier. This is known as the _____. law of original horizontalitylaw of superpositionlaw of original lateral continuitylaw of gravity and oppositional forcelaw of cross-cutting relationships Question #9TextMultipleChoice Score: The time in which life first evolved on Earth was the ArcheanProterozoicHadeanPhanerozoic eon. Question #10MultipleChoice Score: According to scientific evidence, the age of the earth is about _____ years. 3.5 billion4.6 billion7.2 billion2.3 billion Question #11TrueFalse Score: Catastrophism is the idea that the present is the key to the past. TrueFalse Question #12MultipleSelect Score: Select all of the answers that apply. Why do some people argue that the Cenozoic era should not be called the "Age of Mammals"? There are no mammals present during this era.Flowering plants are just as common during this era.Insects are equally as abundant during this era.Birds are just as widespread as mammals during this era. Question #13MultipleChoice Score: The principle of uniformitarianism states that _____. rock layers at the bottom are older than rock layers above themsediment spreads out in flat, horizontal layersa cross-cutting feature is younger than the rock layers through which it cutsgeologic process that we observe today occurred in the same way in the past Question #14MultipleChoice Score: The mass extinction that was most likely caused by the formation and retreat of glaciers was the _____. Cretaceous-TertiaryEnd TriassicPermian-TriassicLate DevonianOrdovician-Silurian Question #15MultipleSelect Score: Select all of the answers that apply. Stromatolites are _____. a type of fossil dinosaurproduced by cyanobacteriathe earliest mammalsthe earliest fossilsfound as early as the Archean era Question #16MultipleSelect Score: Select all of the answers that apply. The early earth of the Hadean eon _____. had a poisonous atmospherecould support lifewas constantly hit with meteorshad no volcanoes Question #17MultipleChoice Score: The deadliest of all mass extinctions, which killed 95% of all living organisms, was the _____. Cretaceous-TertiaryEnd TriassicPermian-TriassicLate DevonianOrdovician-Silurian Question #18MultipleChoice Score: A geologist is studying layers of rock. He finds a fossil with an imprint of one of the earliest shelled animals. According to the Law of Faunal and Floral Succession, what kind of new animal fossil would he most likely find next in the layers of rock above it? a fossil of an amphibiana fossil of a reptilea fossil of a fisha fossil of a human Question #19MultipleSelect Score: Select all of the answers that apply. The functions of the atmosphere today are _____. sustaining life with oxygenfiltering harmful rays from the sunhelps to protect Earth from meteor collisionsremoves nutrients from the soilkeeps the earth's climate unstable Question #20TextMultipleChoice Score: The long-term weather patterns that are typical in a location are the location's precipitationclimatetemperaturehumidity. Question #21MultipleChoice Score: The best description of uniformitarianism is ___. the present is the key to the past.everything is different today than it was thousands of years ago.what happened yesterday won't happen today.there is no good way to describe uniformitarianism. Question #22MultipleChoice Score: To determine the absolute age of rocks and fossils, geologists use _____. stratigraphythe identification of periods of glaciationthe rates of decay of radioactive elementsthe order in which rock layers occur Question #23TrueFalse Score: Humans have no impact on the climate. TrueFalse Question #24MultipleChoice Score: The scientific study of fossils is _____. stratigraphypaleontologygeologymeteorology Question #25TrueFalse Score: Stratigraphy is a method to determine the relative age of rock strata. TrueFalse
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1. Four laws or principles are involved with the study of stratigraphy. They are the: law of original horizontality, law of superposition, law of original lateral continuity and law of cross-cutting relationships.
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Asked 17 days ago|6/15/2022 3:13:10 PM
Updated 17 days ago|6/15/2022 3:44:24 PM
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1. Four laws or principles are involved with the study of stratigraphy. They are the: law of original horizontality, law of superposition, law of original lateral continuity and law of cross-cutting relationships.

Added 17 days ago|6/15/2022 3:36:07 PM
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2. The Cretaceous-Tertiary extinction, the most famous of the Big Five, has been attributed to - an asteroid hitting the earth, and/or - massive volcanoes erupting around the world - that triggered the extinction of the dinosaurs.
Added 17 days ago|6/15/2022 3:36:13 PM
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3. The idea that the processes that formed the earth have taken more than thousands of years instead of quickly is known as: GRADUALISM.
Added 17 days ago|6/15/2022 3:36:20 PM
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4. Layers of rock and fossils is a type of information do scientist use to determine the approximate age of the earth.
Added 17 days ago|6/15/2022 3:36:27 PM
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5. Each time interval are matched with its description:
1. period - major divisions of geologic time within each eon
2. eon - major divisions of geologic time within each era
3. era - longest interval of geologic time.
Added 17 days ago|6/15/2022 3:36:43 PM
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6. Events or processes that have been suggested as causes of mass extinctions include meteor strikes, climate change and widespread volcanic activity.
Added 17 days ago|6/15/2022 3:36:55 PM
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7. According to stratigraphy and its laws, what is the correct order—from oldest to youngest—of the following rock strata: B, C, D, A.

Added 17 days ago|6/15/2022 3:37:16 PM
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8. Sediment spreads horizontally and it goes from youngest on top to oldest on the bottom. When sediment deposits in the water, it also spreads flat in all directions until it either runs out of material and pinches off or it hits a barrier. This is known as the law of original lateral continuity.
Added 17 days ago|6/15/2022 3:37:22 PM
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9. The time in which life first evolved on Earth was the Archean eon.
Added 17 days ago|6/15/2022 3:37:39 PM
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10. According to scientific evidence, the age of the earth is about 4.6 billion years.
Added 17 days ago|6/15/2022 3:38:10 PM
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11. Catastrophism is the idea that the present is the key to the past. FALSE.
Added 17 days ago|6/15/2022 3:39:55 PM
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12. Some people argue that the Cenozoic era should not be called the "Age of Mammals" because: Flowering plants are just as common during this era. Insects are equally as abundant during this era. Birds are just as widespread as mammals during this era.
Added 17 days ago|6/15/2022 3:40:34 PM
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13. The principle of uniformitarianism states that: geologic processes that we observe today occurred in the same way in the past.
Added 17 days ago|6/15/2022 3:41:00 PM
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14. The mass extinction that was most likely caused by the formation and retreat of glaciers was the Ordovician-Silurian extinction.
Added 17 days ago|6/15/2022 3:41:04 PM
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15. Stromatolites are produced by cyanobacteria and are the earliest fossils, found as early as the Archean era.

Added 17 days ago|6/15/2022 3:41:30 PM
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16. The early earth of the Hadean eon had a poisonous atmosphere, was constantly hit with meteors.

Added 17 days ago|6/15/2022 3:41:41 PM
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17. The deadliest of all mass extinctions, which killed off 95% of all living organisms, was the Permian-Triassic.
Added 17 days ago|6/15/2022 3:42:00 PM
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18. A geologist is studying layers of rock. He finds a fossil of a bony fish. According to the law of faunal and floral succession, he would most likely find next, in the layers of rock above: a fossil of amphibians.
Added 17 days ago|6/15/2022 3:42:12 PM
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19. The functions of the atmosphere today are sustaining life with oxygen filtering harmful rays from the sun and helps to protect Earth from meteor collisions.

Added 17 days ago|6/15/2022 3:42:37 PM
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20. The long-term weather patterns that are typical in a location are the location's climate.
Added 17 days ago|6/15/2022 3:43:05 PM
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21. The best description of uniformitarianism is the present is the key to the past.
Added 17 days ago|6/15/2022 3:43:34 PM
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22. To determine the absolute age of rocks and fossils, geologists use the order in which rock layers occur.
Added 17 days ago|6/15/2022 3:43:43 PM
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23. Humans have no impact on the climate. FALSE.

Added 17 days ago|6/15/2022 3:44:11 PM
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24. The scientific study of fossils is PALEONTOLOGY.
Added 17 days ago|6/15/2022 3:44:18 PM
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25. Stratigraphy is a method to determine the relative age of rock strata. TRUE.
Added 17 days ago|6/15/2022 3:44:24 PM
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Updated 17 days ago|6/15/2022 5:01:51 PM
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