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Earth Cycles

Earth cycles

Earth cycles

  • Exhibition Text

    • Cycles of a living planet
      The Earth is a dynamic planet.  Geological and biological processes cause energy and the elements necessary for life-carbon, hydrogen, nitrogen, oxygen, sulfur, and phosphorus- to circulate through global “reservoirs.”  These reservoirs are the biosphere (the living portion of our planet), the atmosphere, the ocean, and the solid Earth.  It is only because of this cycling that life can thrive.  The cycling of elements determines the environment, for example by regulating the composition, and thus the temperature, of the atmosphere.

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  • For Educators

    • Topic: Earth Science

      Subtopic: Earth Structure

      Keywords: Earth (Planet), Ocean, Atmosphere, Geology, Life (Biology), Chemical elements, Biosphere, Biology

      Audience: General

In This Section

The Carbon Cycle

The Carbon Cycle

Carbon is a major component of all life, and in the form of the greenhouse gas carbon dioxide, it helps to maintain a habitable range in temperatures.

The Water Cycle

The water cycle

Water is part of the Earth, its atmosphere, and all of its living organisms.

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