@giosou: what a nice

RE: RE: Isotopes: What Are They And Why Do We Care? Chemistry With Battlr Ep. 7

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RE: Isotopes: What Are They And Why Do We Care? Chemistry With Battlr Ep. 7

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2017-08-30 02:00

what a nice presentation ! follow -resteem

2017-08-30 02:00

$ 0.041

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@giosou: what a nice