Who are scientists who study the physical materials of Earth (such as soil and rocks)

What is an object made by a human being?

What kind of scientists find and study artifacts to learn more about the past?

What do we call the time period before humans invented writing?

Where do most scientists believe human life began?

Objects found in deeper soil are usually:

To excavate means to:

The study of how human beings behave, how they act together, where they came from and what makes one group of people different from another

Beliefs, customs, and practices of a particular group of people or a nation

A person that lives by hunting animals or gathering fruits, berries, and other plants

Archaeologists use this test to determine how old organic artifacts are.

In 1974, archaeologist Donald Johanson found pieces of a 3-million-year-old, 4-foot-tall hominid skeleton he called ...