The half-life of Virtualium is 12
The pig embryo or fetus are both developmental stages in a pig's life cycle from conception and leading up to birth. The embryo and the fetus should be found in the uterus lining of the female pig, as this is where conception would occur and where the fetus will develop until it is ready to be born.
I think it 700 million years because I took the same question and that’s what I put.
