Answer: d -- it's the only answer where you're having actual contact with someone else, live at the moment.
Answer:
Archaeology is the study of the human past using material remains. These remains can be any objects that people created, modified, or used.
Portable remains are usually called artifacts. Artifacts include tools, clothing, and decorations. Non-portable remains, such as pyramids or post-holes, are called features.
Archaeologists use artifacts and features to learn how people lived in specific times and places. They want to know what these people’s daily lives were like, how they were governed, how they interacted with each other, and what they believed and valued.
inventing oxygen so you can breathe
