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Biology 13 Online
OpenStudy (anonymous):

For earth science. I don't have a textbook and I tried to find the answer online myself but I couldn't. Please help me. Will reward:) What is an environmental sphere or earth system sphere? Name the earth’s five major environmental spheres and state the defining characteristics of each. Give one example of a way in which two or more earth system spheres interact.

OpenStudy (anonymous):

Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).

OpenStudy (anonymous):

HEY GO HERE IT WILL HELP YOU DESCRIBE THEM: http://www.cotf.edu/ete/ESS/ESSspheres.html

OpenStudy (anonymous):

thanks!

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