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Preferred term

atmospheric composition  

Definition

  • The chemical components of the Earth’s atmosphere, which have varied in the past. The atmosphere acts as a medium of exchange between the geosphere, biosphere and hydrosphere for energy and materials (see biogeochemical cycles) on the geological timescale. [Source: Encyclopedia of Environmental Change; atmospheric composition]

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https://concepts.sagepub.com/social-science/concept/atmospheric_composition

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