Which of the Following Is True About the Ancient Chacoan

question 18

Multiple Choice

Which of the following is true about the ancient Chacoan road system?

• A) Although once thought to be an extensive network of roads, aerial photography has shown the roads to be much less extensive than initially believed.
• B) Although once thought to be an extensive network of roads, aerial photography has shown that they were not roads, but were in fact part of a vast canal system.
• C) It was an elaborate and extensive network of roads, covering more than 250,000 square kilometers within New Mexico, Arizona, Colorado, and Utah.
• D) We now know that they were built strictly for economic purposes, to move goods to markets in Chaco Canyon.

---

Definitions:

Noun Clause

A dependent clause that functions as a noun within a larger sentence, often starting with words like "that," "whom," or "where."

Restrictive

Pertains to a limiting or controlling condition or rule.

Nonrestrictive

Descriptive text that provides additional information but is not essential to the meaning of the sentence.

Carbonic Acid

A weak, unstable acid (H2CO3) formed in solution when carbon dioxide dissolves in water and participates in the carbonate buffer system in blood.