The inner core of the Quarter is made up of pure Copper. There are two different types of Copper Atoms. These are Copper-63 and Copper-63. Besides the fact that they are both Copper, what are THREE other similarities between these two atoms? Provide values to support your claims *

b.final

what is the question here. i think you messed up.

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms