Cultural views and beliefs.
All cultures make up myths.
Almost all cultures have myths.
no
Yes. Many cultures have myths about shapeshifters.
There are many myths that recur around the world, such as creation myths, myths about the origin of fire, and flood myths.
they may have something in common as cultures.
To explain why things are the way they are
Yes. Consider Hercules and Sampson, Thor and Zeus, Beowulf and Saint George,...(others are invited to expand this list)
Well, one aspect of myths that cannot be denied is that they are ubiquitous across all countries and cultures. Every society has its own form of myths, and interestingly, often these different myths are re-tellings of central archetypal stories that are changed slightly to fit different cultures and experiences.
Yes, they are. They are the earliest stories that cultures tell in an attempt to explain the world in which they live. For us, thousands of years later, myths are considered to be an early form of that culture's literature, even if they aren't always very complex or sophisticated by our standards.
Myths were never intended to be performed as they formed as part a belief system but it was not uncommon for cultures to perform their myths. Many Greek plays are or have deep roots in their mythology and various other use ritual performance to tell their stories.
Myths are used to explain the unexplainable and tell stories.