Answer:
D. It is non-living
Explanation:
If something is not made of cells, it cannot be alive.
A) 5
Half-life is the time it will take for a quantity to reduce to half its initial value. In this case, uranium will undergo radioactive decay, and after 700 mil years, 5 of the 10 uranium atoms will have decayed.
The answer to this question is C. Cornea