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Unformatted text preview: from the oceans, lakes, streams, or our atmosphere in the form of our weather. The seasons also dictate when this vegetation grows. If we did not have all the earths’ subsystems there would not be any life on earth. People depend on the four subsystems. People depend on the lithosphere because we need land to grow our food crops on. People depend on hydrosphere because all life needs some water. We need biosphere because we need living things. This includes human life as wells as other life. People depend on the atmosphere because that is the air we breathe. What would happen if we were with out air? With out the use of the air everything would eventually end up dying. The four subsystems are lithosphere, biosphere, atmosphere and the hydrosphere....
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This note was uploaded on 06/28/2010 for the course SCI 230 SCI/230 taught by Professor Trevorklein during the Spring '10 term at University of Phoenix.
- Spring '10