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Volcanic Gases and the Origin of the Atmosphere
http://volcano.oregonstate.edu/education/gases/origin.html
From NASA ED Mall Collection
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This document briefly discusses the two models most favored for the formation of Earth's atmosphere and compares the present-day atmosphere to the early oxygen-lacking atmosphere. Links to related topics are included.
Intended for grade levels:
  • High (9-12)
Type of resource:
  • Text:
    • Ref. material
Subject:
  • Atmospheric science
  • Chemistry
  • Geological Sciences:
    • Geologic time
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright and other restrictions information are unknown.
DLESE Catalog ID: NASA-Edmall-604
Resource contact / Creator / Publisher:
Publisher: Volcano World, Oregon State University
Department of Geosciences