D. The book will not move.
When two forces are pulling against each other with equal force, there is no movement since they will both cancel each other out.
Because iron is a metal and cobalt is a non-metal
Protons do not move out of the nucleus of atoms although they repel each other.
Remember that protons are particles with positive charge and they held together in the nucleus of the atom which is a tiny tiny region. As you know, like charges repel each other, which means that the protons exert a repulsion force.
Answer:
Varies
Explanation:
They both relate to the process of doing something.
