Chapter 5: The Biogeochemical Cycles
Chapter 5: The Biogeochemical Cycles
Chapter 5: The Biogeochemical Cycles
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Period 1<br />
10/5<br />
<strong>The</strong> Rock Cycle<br />
• Physical weathering<br />
(freeze, thaw)<br />
produces sediment<br />
such as gravel, sand<br />
and silt.<br />
• Chemical weathering<br />
occurs when weak<br />
acids in water dissolve<br />
chemicals from rocks.