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Q: Describe the four main spheres of Earth. 1. lithosphere: 2. hydrosphere: 3. atmosphere: 4. biosphere:
A: 1.lithosphere : it is the rigidoutermost shell of a rocky planet. On Earth, it comprises the crust and the portion of the upper mantle that behaves elastically on time scales of thousands of years or greater.2. [ hydrosphere: it is described the combined mass of water found on, under, and over the surface of a planet.3. atmosphere: The Earth's atmosphere consists, from the ground up, of the
troposphere (which includes the planetary boundary layer or peplosphere as lowest layer), stratosphere (which includes the ozone layer), mesosphere, thermosphere (which contains the ionosphere), exosphere and also the magnetosphere. Each of the layers has a different lapse rate, defining the rate of change in temperature with height.4.biosphere: it is the global sum of all ecosystems. It can also be called the zone of life on Earth, a closed (apart from solar and cosmic radiation) and self-regulating system.[1] From the broadest biophysiological point of view, the biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, hydrosphere and atmosphere. I hope that helps you. ]
Expert answered|OxTornado007|Points 3518|
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Asked 12/13/2011 2:38:16 PM
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