Final answer:
Archaeology focuses on the reconstruction of past cultures based on artifacts and fossils.
Step-by-step explanation:
Archaeology focuses on the reconstruction of past cultures based on artifacts and fossils. Artifacts, such as tools or pottery, are objects made by human beings. Fossils are the remains of organisms preserved in the environment. Archaeologists use scientific methods of excavation to learn about how people lived in ancient times, including how they met basic needs, organized their societies, and interacted with the natural world.