An archaeologist studies
the origins of words
the lives of early humans by examining artifacts
the earth, rock forms, and strata
early human culture and development compared to the present day

The correct answer is - the lives of early humans by examining artifacts.

The archaeologists are focused on the excavation and examination of the artifacts left throughout the history by humans, and through this artifacts they are trying to figure out, explain, reconstruct, the human societies, how did the humans lived in the past, what were their activities, their development or stagnation and the reasons for that.

identify consequences of international trade.

identify consequences of international trade.