Answer:
Eurkaryote... sorry if i wrong
Explanation:
(2) U-238 is the radioisotope used in dating geological formations. Uranium-238 has a half-life of 4.46 billion years, which makes it suitable to date such old formations.
The other options do not have such long durabilities and half-lives.
Answer:
I would be if I do it your no learning anything but I would but I don't have insta yet
Explanation:
sorry