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Earths dynamic syst
| Term | Definition |
|---|---|
| crater | a large bowl-shaped cavity in the ground or on the surface of a planet or on the moon typically one caused by an explosion . |
| earthquake | the sudden shaking or trembling of the Earth's surface caused by rapid release of energy in the Earth's crust. |
| geyser | a hot spring in which water intermittently.boils sending a tall column of water and steam into the air. |
| hot spring | a spring of naturally hot water typically heated by subterranean volcanic activity. |
| volcano | a mountain or hill having a crater or vent through which lava , rock fragments hot vapor and gas being or have been erupted from the Earth's crust |
| fossil | the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock |