When atoms in a covalent bond share electrons unequally (one atoms pulls more than the other), the bond is said to be a polar bond is formed when electrons are unequally shared between two atoms. Polar covalent bonding occurs because one atom has a stronger affinity for electrons than the other (yet not enough to pull the electrons away completely and form an ion).
The defination to energy is B) the ability to create a new substance.
Answer:
Option c because from what i know they change to have a more specialized type. Hoping this helps!