Question and answer
____ on the geologic time scale are marked by major, striking, and worldwide changes in the type of fossils present. a. Eras c. Epochs b. Periods d. all of the above
Eras on the geologic time scale are marked by major, striking, and worldwide changes in the type of fossils present.
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nicole008|Points 30|
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Asked 5/4/2015 11:50:45 AM
Updated 5/4/2015 12:07:51 PM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [5/4/2015 12:07:50 PM], Confirmed by jeifunk [5/4/2015 12:07:51 PM]
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is measured in half-lives
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1 Answer/Comment
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1 Answer/Comment
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the process in which one of an isotope's neutrons breaks down into a proton and an electron and the electron leaves the atom as a beta particle
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Not Answered
Updated 8/26/2016 5:02:26 AM
1 Answer/Comment
Beta decay is the process in which one of an isotope's neutrons breaks down into a proton and an electron and the electron leaves the atom as a beta particle.
Added 8/26/2016 5:02:26 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/26/2016 5:03:15 AM]
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