Answer: They represent different concepts
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).
<span>tubulin, the microtubule protein</span>
I would say A) Short-term. Unless the earthquake is extremely powerful it would not be classified in the other three categories, so most earthquakes would be short-term
