Hank introduces us to biogeochemical cycles by describing his two favorites: carbon and water. The hydrologic cycle describes how water moves on, above, and below the surface of the Earth, driven by energy supplied by the sun and wind. The carbon cycle does the same... for carbon! Like Crash Course: www.facebook.com/YouTubeCrashCourse Follow Crash Course: www.twitter.com/TheCrashCourse Table of Contents 1) Hydrologic Cycle - 1:15 A) Clouds - 2:13 B) Runoff - 3:06 C) Oceans - 3:41 D) Evapotranspiration - 4:25 2) Carbon Cycle - 5:12 A) Plants - 5:48 B) Fossil Fuels - 6:40 C) Oceans - 7:12 D) Global Warming - 7:35 References and image licenses for this episode can be found in the Google document here: dft.ba/-3flG Support CrashCourse on Subbable: subbable.com/crashcourse

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