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Biology 23 Online
OpenStudy (anonymous):

The difference between carbon-13 and carbon-14 is the number of.... a.protons b.electrons c.neutrons d.nuclei pleasee help deadline is 10pm plweaseee

OpenStudy (anonymous):

https://answers.yahoo.com/question/index?qid=20090121163923AAdyhqb u will find the answer there ^_^

OpenStudy (anonymous):

thank you soo much

OpenStudy (anonymous):

u welcome ^_^

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