that there are good stories to tell. it also explained (what the Greeks and Romans believed) what happened in the world (like the weather, animals, trees, anything!). There are many other reasons to what mythology explained too so you might want to research elsewhere.
Greek mythology get a life
There is a three headed dog in Greek Mythology, that guards he underworld. It is called Cerberus.
The three civilizations in Age of Mythology are Greek, Egyptian, and Norse.
No, not in Greek mythology.
Three.
they are the servants of hades
there are three furies
There were many more goddesses in Greek mythology than only three. However, three of them are:Athena- the goddess of wisdom and warArtemis- the goddess of the huntAphrodite- the goddess of love and beauty
Geryon
Are the three Fates they're small goddesses, but they do have a big impact. I don't remember their names. In Greek mythology the three Fates are Klotho, Lachesis, and Atropos. In Roman mythology the three Fates are Decima, Nona, and Morta.
According to Greek Mythology, there is no 'Big Three', unless you mean in the Percy Jackson book series. They swore not to have any more demigod children.
3 is a magic (or holy) number, not only in Greek mythology. Clink link below! Especially the section 'In religion and mythology.