The answer is C. Geography.
Physics, chemistry, botany, and zoology are all natural sciences that study the physical world. Geography is a social science that studies the human world.
Physics is the study of matter and energy and their interactions. Chemistry is the study of the composition, structure, and properties of matter. Botany is the study of plants. Zoology is the study of animals.
Geography is the study of the Earth’s physical features, human activity, and the relationships between them. It is a social science because it studies humans and their interactions with the environment.
The other four options are natural sciences because they study the physical world.