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the study of stratigraphy
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Asked 1/25/2013 9:29:22 AM
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User: the study of stratigraphy

Weegy: well you study but go to college and study then get a bachlors and look for a geo job
bfmv1993|Points 50|

User: 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

Weegy: Please ask Weegy one question at a time. Thanks!
Expert answered|debnjerry|Points 43293|



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