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The top documents tagged [years ago30]
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years ago30
The Brazilian Opportunity and Telefonica's case (Microsoft IOP conference - Madrid - 2011)
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Module 24 - Historical Geology
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Oregon Fossils This lesson is intended for 5 th grade students, as a one day lesson, and part of a larger section on fossils and rocks. Students would.
215 views
Development of Agriculture and Society
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WHAT IS PREHISTORY? Prehistory is the time before there were written records.
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By: Bennett Gorbatoff. Badlands National Park Badlands National Park, South Dakota, USA.
218 views
Stopp 1
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