What does a gelogist do?

Answer 1

A geologist is a scientist who studies the history of the earth, through rocks.

In other words, they do tests on rocks and are able to tell different things about the history of the earth

Answer 2

A geologist studies the Earth's composition, structure, and processes. They analyze rocks, minerals, and fossils to understand the history of the Earth and help locate Natural Resources like oil, gas, and minerals. Geologists also study natural hazards like earthquakes and volcanoes to assess and mitigate risks to society.