3 Complete the definitions with school subjects.

1. is the study of numbers, measurements and shapes. Mathematics 2. is the study of the way people and countries spend money and make, buy and sell things. Economics 3. is the study of things that happened in the past. History 4. is the study of the Earth and everything on it, such as mountains, rivers, land and people. Geography 5. is the study of the life of animals and plants. Biology