The correct answer is D. Geographical classification.
Geographical classification is a type of classification that is based on the area of operation. It is used to classify objects or entities based on their location on Earth. For example, countries can be classified into continents, states can be classified into countries, and cities can be classified into states.
Alphabetical classification is a type of classification that is based on the order of letters in the alphabet. It is used to classify objects or entities based on their name. For example, books can be classified alphabetically by their author’s last name, and files can be classified alphabetically by their title.
Numerical classification is a type of classification that is based on the order of numbers. It is used to classify objects or entities based on their number. For example, products can be classified numerically by their product code, and students can be classified numerically by their student ID number.
Subject wise classification is a type of classification that is based on the subject matter. It is used to classify objects or entities based on their topic. For example, books can be classified by subject matter, such as fiction, non-fiction, and children’s books.