The main idea of this selection is
A new technologies, preservation efforts, and changed attitudes about studying historic places have revealed much about Ancestral Pueblo life in Chaco Canyon.
B Chaco Canyon is an example of an American historic site that’s been harmed by tourism more than it’s been helped.
C the field of archaeology has shifted significantly over the past 200 years, and this has affected the rate at which artifacts are removed from Chaco Canyon.
D how early archeological errors at Chaco Canyon have clouded the true history of the Ancestral Pueblo people who lived there.
The main idea of this selection is A new technologies, preservation efforts, and changed attitudes about studying historic places have revealed much about Ancestral Pueblo life in Chaco Canyon B Chaco Canyon is an example of an American historic site that’s been harmed by tourism more than it’s been helped C the field of archaeology has shifted significantly over the past 200 years, and this has affected the rate at which artifacts are removed from Chaco Canyon D how early archeological errors at Chaco Canyon have clouded the true history of the Ancestral Pueblo people who lived there
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The correct answer is A: A new technologies, preservation efforts, and changed attitudes about studying historic places have revealed much about Ancestral Pueblo life in Chaco Canyon.
Explanation: This option encapsulates the main idea by highlighting how advancements in technology and shifts in perspective have increased our understanding of the Ancestral Pueblo people, which is likely a central theme in the selection about Chaco Canyon. The other options focus on specific issues or consequences rather than the overarching idea presented in the text.