Answer:
Exactly in the four elements iron, nickel, cobalt and gadolinium, there is interaction between so-called 'unpaired spins'. This interaction ensures that the magnetic moments of atoms can permanently align parallel to each other. The sum of all these small magnetizations forms the nett magnetization of the material
Explanation:
Factors that could hamper effective communication would be staying in the past, talking only about one aspect of the situation, not being prepared to think about a situation in a new light, not considering all the possibilities which might help in a current situation, and many others. These were just five ones which are highly harmful when one wants to be effective in communication.
