The Earth is a sysytem that is comprised of four subsystems. How do these four subsystems interact with one another? And identify one type of resource from each subsystem on which people depend.

Answer 1

A.W., We do not do your homework for you. After you have done some reading and writing, please repost and we will be happy to make further suggestions/corrections as needed.

Answer 2

GuruBlue, I know that the four subsystems are also called spheres; that they are the lithosphere, the biosphere, the atmosphere, and the hydrosphere. And with out them Earth and we as the people of Earth would not survive. Hows that?

Answer 3

Check this site.

http://geography.about.com/od/physicalgeography/a/fourspheres.htm

Answer 4

What is one thing that humans get from each of the spheres?

The spheres are the biosphere, atmosphere, hydrosphere, and lithosphere.