APES FINAL EXAM REVIEW: TOP TEN LISTS

Biogeochemical Cycles. Sophie and Emma A . 1) Biogeochemical Cycles are descriptions of how matter cycles through ecosystems. They pass through organisms, geological and atmospheric states, and changes in chemical forms. An example of this is the Nitrogen cycle, the change from N2 gas, to ammonium, to nitrite and nitrate, and back to N2 gas. ................
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