Question

the word geology contains the root geo. what does the root geo mean?
earth or rock life the study of something

Explanation:

The root "geo" is of Greek origin. In the context of the word "geology", which is the study of the Earth's physical structure and substance. The root "geo" is related to the Earth. "Life" would be related to the root "bio" (e.g., biology). "The study of something" is a general meaning often associated with the suffix "-ology" rather than the root "geo".

Answer:

earth or rock