Geology
TPO16
Lecture-Geology(Lechuguilla Cave)
TPO15
Lecture-Geology(Geologic Time Periods)
TPO09
Lecture-Geology(Desert Lakes)
TPO07
Lecture-Geology(Glacial Movement)
TPO04
Lecture-Geology (Moving Rocks)
TPO01
Lecture -Geology (Uranium -Lead Dating)
Ecology/Earth Science/Environmental Science
TPO23
Lecture-Environmental Science(Clouds)
TPO20
Lecture-Environmental Science(lnterglacial Periods)
TPO17
Lecture-Environmental Science(Milankovitch Hypothesis)
TPO13
Lecture -Ecology(lnterrelationships)
TPO12(L4)
Lecture-Environmental Science(Solar Energy)
TPO11
Lecture-Environmental Science(Landscape & Climate)
TPO10
Lecture-Ecology(Phosphorus Cycle)
TPO09
Lecture-Environmental Science(Shrubs in Tundra)
TPO06
Lecture-Earth Science(Climate Change in Sahara Desert)
TPO03
Lecture-Environmental Science(Humming Birds)
Practice Testl
Lecture-Environmental Science(Managing Resources)
Extra
Lecture-Earth Science(The Discovery of Black Smokers)
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