Lead-212 and Lead-208 are nuclides of lead. A nuclide is an atomic species that is defined by the constitution of its nucleus. Nuclides refers to a nucleus than to an atom. Each of the two lead nuclides have different number of neutrons.
I believe 1st and 3rd one
The answer will be he was the first person to invent a teddybear
Answer:
I think it's the first one
Explanation:
because I think they had him deliver the tapes to someone
sorry I hope I helped
have a great day/night