Crash Course Ecology

The Hydrologic and Carbon Cycles: Always Recycle! (1x8)

Exibido em:: Dez 24, 2012

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!