Biology, 11.04.2020 21:09 marianasanin2007
Summarize what has caused a recent increase in the rate of extinction.
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Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
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Summarize what has caused a recent increase in the rate of extinction....
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