Respuesta :
Answer:
The answer is:
Explanation:
C) the movements of game in the stream valleys.
Because the nomadic people of the Paleoindian period left only scattered traces of their existence—and because the Paleoindian period was such a long time ago—archaeologists find few artifacts that date from this era. Paleoindian sites were located in rock alcoves have yielded a number of artifacts that would not have been preserved in sites in less-protected locations.