Biogeochemical Cycles Carbon, Phosphorus, Nitrogen, Hydrologic, and Oxygen
The Carbon Cycle
Carbon Cycle Description
Description cont.
Description cont.
The Phosphorus Cycle
The Nitrogen Cycle
The Hydrologic Cycle
Description cont.
The Oxygen Cycle Look in your biology book on p. 413. The picture is in the bottom right side of the page. The description is just to the left of the picture. You will have to use the internet to determine three human impacts on the cycle, if you don’t already know.