Fill in the blank in the given sentence with the correct option:-

The person who studies the structure and composition of the earth to know about its history and antiquity is called a _____.

Geologist

The correct answer is Option (2) → Geologist

The person who studies the structure and composition of the earth to know about its history and antiquity is called a geologist.

Explanation of other options:

• Botanist – studies plants

• Cartographer – makes maps

• Geographer – studies Earth's surface, regions, and human-environment interactions