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Mathematics 22 Online
OpenStudy (anonymous):

Which dating method would be the best to use for a 7 billion year old asteroid? Carbon-14 Uranium-235 Uranium-238 Carbon-12 @leonardo0430

OpenStudy (leonardo0430):

what do you think?

OpenStudy (anonymous):

d

OpenStudy (leonardo0430):

no it would be uranium :)

OpenStudy (anonymous):

uranium what?

OpenStudy (anonymous):

theres two uraniums

OpenStudy (leonardo0430):

238 :)

OpenStudy (anonymous):

ok :)

OpenStudy (anonymous):

Natives of South America cut forests for timber and burn forests to clear the land for farming. This massive clearing of forests is happening at an alarming rate. We call this deforestation desertification urbanization suburban sprawl @leonardo0430

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