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1. we start with 400 atoms of uranium-238. how many remain after 4.5 billion years?...
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1. we start with 400 atoms of uranium-238. how many remain after 4.5 billion years? after 9 billion years? after 13.5 billion years?
2 . how long will it take for ½ of the original amount of rubidium-87 to decay?
3. carbon-14 has a half-life of 5,730 years. how does that compare to those listed in the chart?
what possible advantages or disadvantages would this give c-14 when used for radiometric dating?
Answers: 2
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Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated
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The fascicles of the deltoid are ; the fascicles of the pectoralis parallel; bipennate fusiform; unipennate multipennate; triangular bipennate; fusiform
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What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous
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