The earth consists of 4 different types of major domains. The major domains of the earth include lithosphere, atmosphere, hydrosphere, and biosphere. The earth is a pretty big place and there is no doubt that most of the major domains of the earth tend to mix together to create the environment that we live in. So, in order to understand the environment in a better way, students have to get an idea about the major domains of the earth. These are explained in detail below.