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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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ERIC Number: EJ717174
Record Type: Journal
Publication Date: 2004-Sep-1
Pages: 3
Abstractor: Author
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0021-9584
Ancient Oceans Had Less Oxygen
King, Angela G.
Journal of Chemical Education, v81 n9 p1242-1244 Sep 2004
The amount of dissolved oxygen in the oceans in the mid-Proterozoic period has evolutionary implications since essential trace metals are redox sensitive. The findings suggest that there is global lack of oxygen in seawater.
Descriptors: Environmental Education, Chemistry, Oceanography, History, Metallurgy, Evolution
Journal of Chemical Education, Subscription Department, P.O. Box 1267, Bellmawr, NJ 08099-1267. Web site: http://jchemed.chem.wisc.edu/AboutJCE/contact.html.
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A