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In what type of rocks would geologosts most likely find evidence of past life forms
carbon 12 and carbon 14
sedimentary rock
relative dating
remains or traces of prehistoric life
2.5 g
changing life forms of the past
approximately 4.6 billion years
angular unconformity
What type of unconformity consists of tilted sedimentary rocks that are over layed by younger, more flat lying sedimentary rocks?
carbon 12 and carbon 14
sedimentary rock
relative dating
remains or traces of prehistoric life
2.5 g
changing life forms of the past
approximately 4.6 billion years
angular unconformity
Fossils are the
carbon 12 and carbon 14
sedimentary rock
relative dating
remains or traces of prehistoric life
2.5 g
changing life forms of the past
approximately 4.6 billion years
angular unconformity
The dating process that places geological events in proper sequence is referred to as
carbon 12 and carbon 14
sedimentary rock
relative dating
remains or traces of prehistoric life
2.5 g
changing life forms of the past
approximately 4.6 billion years
angular unconformity
What is the currently accepted age of the Earth?
carbon 12 and carbon 14
sedimentary rock
relative dating
remains or traces of prehistoric life
2.5 g
changing life forms of the past
approximately 4.6 billion years
angular unconformity
Which two substances do geologist use in radio carbon dating?
carbon 12 and carbon 14
sedimentary rock
relative dating
remains or traces of prehistoric life
2.5 g
changing life forms of the past
approximately 4.6 billion years
angular unconformity
Sedimentary rocks record past geological events and
carbon 12 and carbon 14
sedimentary rock
relative dating
remains or traces of prehistoric life
2.5 g
changing life forms of the past
approximately 4.6 billion years
angular unconformity
Assume you began with 10 g or a radioactive parent isotope. Home many grames of parent isotope will be present in the sample after 2 half lives?
carbon 12 and carbon 14
sedimentary rock
relative dating
remains or traces of prehistoric life
2.5 g
changing life forms of the past
approximately 4.6 billion years
angular unconformity
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