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Dynamic Earth 2.5
lesson 2.5
| Term | Definition |
|---|---|
| chemical weathering | The breaking down of rocks by chemical reactions such as oxygen in he air and acids. |
| oxidation | oxygen reacts with the compounds that make up rock and cause chemical weathering |
| acid precipitation | acids in the air fall to Earth when it rains or snows |
| stalactitite | dissolved rock from acidic groundwater seeps from the ceiling of a cave and makes a formation |
| stalagmite | dissolved rock from acidic groundwater drips to the ground and makes a formation |
| column | created when a stalactite and stalagmite join together |