That would be false because rocks are sediments.
The correct answer is <span>the reproduction of new cells </span>
Recall that a period is horizontal, and a group is vertical.
So if cobalt is moving "down" a period, it would be most logical to say that it would be Ni, or nickel. It could also be Copper, Zinc, Gallium, and so on. Make sense?
The <span>nucleolus is located inside the Nucleus. </span>
