Ageologist's job includes:
determining the living organisms occupying an area
determining the chemicals cycling through an area
determining the history of an area
determining the magnitude of light in an area

A geologist's job includes determining the history of an area.

Option C

Explanation:

Geologists are researchers who studies the materials available in the earth about their nature, characteristics and their age. Speaking of the age of the materials it helps to understand the history of the earth, Each area in the earth's history has undergone several civilizations and lifestyles.

Also, it has experienced various natural changes or special space happenings. By working on that with the founded specimens or collected evidence they can create reports. That can help to get a clear understanding of the climatic changes, history and topography of the species are in the world.

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