Question

determine word meanings using roots bio and geo — instruction — level c
what does “geology” mean?
the study of all living people
the study of what water is made of
the study of all plants and animals
the study of what this planet is made of

Explanation:

The root "geo -" means earth or ground, and "-logy" means study. Geology is the study of the Earth, its composition, structure, processes, and history.

Answer:

the study of what this planet is made of