The answer should be Axon!
<span>Covalent bonds are one of four types of chemical bonds. The other three are ionic bonds, metallic bonds and hydrogen bonds. Each bond type differs in the way atom share electrons. In covalent bonds, two atoms completely share one or more pairs of electrons.</span>
An egg is fertile when it ovulates. That's three days so male sperm gets to the egg quicker but it dies quicker too. So if couples have sex before ovulation by the time the egg is fertile the male sperm is dead which leaves the female sperm. This is why there may be more women than men.
