What distinguished the Cochise Culture from other Archaic groups mentioned in the passage

a. They lived in caves and rock shelters

b. They were known for their pottery.

c. They practiced a nomadic lifestyle

d. They did not use atlatls.

c. They practiced a nomadic lifestyle

The correct answer is:

c. They practiced a nomadic lifestyle

According to the passage, the Cochise Culture was distinguished from other Archaic groups by their nomadic lifestyle. This means that they did not have a fixed settlement and moved from place to place in search of resources. The other options mentioned, such as living in caves and rock shelters, pottery making, and not using atlatls, are not specifically mentioned as distinguishing features of the Cochise Culture in the passage.