Final answer:
The passage suggests that corn, beans, and squash are important to Iroquois culture, Iroquois ceremonial practices include singing and using tobacco, and creation myths are used to explain their cultural practices.
Step-by-step explanation:
The passage suggests several things about Iroquois culture. First, it highlights the importance of corn, beans, and squash in Iroquois culture, as these three plants are mentioned as growing from the grave of their mother. Second, it mentions that Iroquois ceremonial practices include singing and using tobacco to give thanks. Lastly, the passage implies that creation myths are used by the Iroquois to explain their cultural practices.
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