Gustin4507.weebly.com

BIOGEOCHEMICAL CYCLES ppt WORKSHEET A. Objectives: 1. Explain how certain biogeochemical cycles work. 2. Identify how humans are impacting the biogeochemical cycles. 3. Recognize the parts of each cycle. A BIOGEOCHEMICAL CYCLE. is a circuit, or _____, by which. an element or molecule moves through both _____ and _____ ... ................
................