Select the option that can be used as a one-word substitute for the underlined group of words.
Hana was excited to study about the origin, composition and structure of rocks.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2, i.e. Petrology.
Correct word: Petrology
Meaning: Petrology is the branch of science that deals with the origin, composition, structure, and classification of rocks.
Example: He is pursuing a course in Petrology to understand how different rocks are formed.
Meaning of the other words:
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Tetralogy – A group of four related works (usually books, movies, etc.)
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Tectonics – The study of the structure and movement of Earth's crust
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Geology – The broad science that studies Earth, including rocks, minerals, and the processes that shape the planet
Hence, the chosen option is correct.