Option "C. To explain how balance came to exist in the natural world" best describes the purpose of the given excerpt.
"The World on Turtle's Back" is a creation myth of the Iroquois people. This creation story delves into the Iroquois people's belief of how man came to be and how life is created in general.
Finding the purpose of the text means reading the passage to understand what the main points of the text are. And in that regard, option C is the main purpose of the given excerpt.
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