In this course, Wheaton College professor John Kricher provides a history of the discovery of dinosaurs, and he discusses the timeline and variations of dinosaurs, including their ultimate demise...
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Author: Kricher, John C.Summary: -
Author: Kricher, John C.Summary:
Wheaton College professor John Kricher presents an absorbing analysis of the diverse ecosystems that exist on Planet Earth. He provides a factual study of the many fragile and threatened portions...
Genre: Math and science