The study of the earth and human activity on the earth
The study of the system of rules of a particular country
The scientific study of matter and energy and the effect that they have on each other
The scientific study of the natural processes of living things
The activity of buying and selling goods and services
The study of the basic characteristics of substances and the ways in which they react or combine
The study of the ways in which a country is governed
Written works such as plays, poems or novels
The scientific study of how the mind works
The study of human society
The study of using scientific principles to design and build machines, structures, and other things, including bridges, roads, vehicles, and buildings
The study of money and wealth
politics
engineering
business
geography
sociology
biology
psychology
physics
chemistry
law
economics
literature