BrainBout
@realBrainBout @Level-1
Fossil pollen has been recovered from sediments deposited in late-Pleistocene lakes. The pollen's geologic age can most accurately be measured by using...
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BrainBout
@realBrainBout @Level-1
Fossil pollen has been recovered from sediments deposited in late-Pleistocene lakes. The pollen's geologic age can most accurately be measured by using...
An organism continually replenishes its supply of carbon just by breathing and eating. Carbon (C) has 3 naturally occurring isotopes. Both C-12 and C-13 are stable, but C-14 decays by very weak beta decay to nitrogen-14 with a half-life of 5,730 years.
The University of the State of New York 'Regents High School Examination'
- Earth Science