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Biology, 10.11.2019 14:31 linkhyrule9922
Science
how does a scientist compare the age of a rock with other rocks?
(a) by determining the relative age of the rock
(b) by deciding the exact date the rock was formed
(c) by finding the level of radioactive isotope decay in the rock
(d) by finding the absolute age of the rock
2. which of the following could be used to interpret the geologic history of a location?
(a) human remains
(b) atmospheric components
(c) rock layers
(d) plant life
3. geologists frequently look at the relationships among rock layers. which statement best describes the information geologists get from studying these relationships?
(a) they can tell how old the rocks are.
(b) they get a sense of which rocks are the most valuable.
(c) they get a sense of the history of the area they are investigating.
(d) they can tell how dense the rocks are.
4. which of the following events separate geologic time into eras and periods?
(a)the appearance and disappearance of groups of organisms
(b)the number of earthquakes occurring at that time
(c)the appearance and disappearance of volcanoes
(d)the creation of new ocean ridges
5. which of the following provides evidence that has earth scientists determine the age of the earth more precisely?
(a) tree rings
(b)earth's distance from the sun
(c)helium dating
(d)radioactive dating
6. while collecting samples or rocks, a scientist collects several samples that contain fossils. what is most likely the type of rock in the scientist's samples?
(a)mineral
(b)igneous
(c)sedimentary
(d)metamorphic
7. if a sandstone in contact with a granite contains fragments of the granite, what can you infer?
(a)the granite was intruded into the sandstone.
(b)the granite is older than the sandstone.
(c)the sandstone and granite are the same age.
(d)the granite is younger than the sandstone
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how does a scientist compare the age of a rock with other rocks?
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