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Biology 18 Online
OpenStudy (anonymous):

Radioisotopes tell scientists that Earth is how old? A. 65 million years B. 500 million years C. 4.5 billion years D. 13.4 billion years

OpenStudy (anonymous):

@bunnyrabbit41414 @sethRB26DETT

OpenStudy (anonymous):

4.5 cuhhh

OpenStudy (anonymous):

bunny you agree?

OpenStudy (anonymous):

ITS ACTULLY 4.6BUT THATS CLOSEST

OpenStudy (anonymous):

ight he got the medal this time but i got hella more questions!

OpenStudy (anonymous):

:(

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