A student summarized the Earth as a system in the table below.
Components Lithosphere, Hydrosphere, Biosphere
Boundary Atmosphere
Flow Various interactions between the different spheres contain the flow within the system.
What correction needs to be made?

The atmosphere is a component and the lithosphere is the boundary.

The Earth itself is the component and the spheres are the boundaries.

The atmosphere is a component and the Earth itself is the boundary.

The Earth itself is also a component of the system.