Select the option that can be used as a one-word substitute for the given group of words.

The branch of science concerned with the study of Earth and its composition

Geology

The one-word substitute for "the branch of science concerned with the study of Earth and its composition" is geology.

• Zoology is the study of animals.
• Biology is the study of life.
• Metrology is the science of measurement.

Geology is the study of Earth and its composition. Geologists study the rocks, minerals, and fossils of Earth, as well as the processes that shape the planet. Geology helps us to understand the history of Earth and how it has changed over time.