Unlike catastrophism, states that mountains formed slowly over time.
william smith was workin...
Geography, 30.08.2019 20:00 ayahabdulhaqq2
Unlike catastrophism, states that mountains formed slowly over time.
william smith was working as a surveyor in the late eighteenth century. he noticed that certain fossils were found in certain layers of sedimentary or igneous rock, that the same order of strata could be found in areas that were far apart, and these strata contained similar
isotopic dating relies on a process called where heavier radioisotopes transform into lighter elements.
the permian period lasted from 299 ma to 251 ma. this means that the permian period lasted years.
a rock inclusion in a basalt lava flow is dated at 56 ma. this means the lava flow must have occurred 56 ma.
you are trying to assign a date to a layer of tephra. while examining the tephra, you notice that it contains several shale inclusions. if you determine that the dates of the shale inclusions range from 910 ka to 1.3 ma. what can you say about the age of the tephra layer?
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Eastern europe and parts of northern europe have which of the following climates?
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In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d
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What factors of japanโs geography make it necessary for it to import so many goods?
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