"The World on Turtle's Back" is a creation myth because it

focuses on characters whom the Iroquois considered "gods."
is an Iroquoian story about people and animals who talk to each other.
explains how the Iroquois believe that the earth was created.
describes Iroquoian social and cultural values.

"The World on Turtle's Back" is a creation myth because it explains how the Iroquois believe that the earth was created.

The correct answer is:

"The World on Turtle's Back" is a creation myth because it explains how the Iroquois believe that the earth was created.