Curated OER
The Biogeochemical Cycles
The majority of this presentation is a collection of diagrams and graphs that back your lecture on biogeochemical cycles. The last few slides define ecosystems and the Gaia hypothesis. You may find these slides valuable, but will...
Idaho State University
Idaho State University: Environmental Geology: Earth Material and Earth Cycles
Help students to understand the Geologic Cycle, Hydrologic Cycle, Physical Properties of Rocks and Surficial Processes with this learning module. Find lessons covering each topic.