Activity 7

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1. Ash, molten rock and lava escape through this rupture in the earth crust






2. Columns of boiling water and steam escape intermittently through these fissures in the earth's crust






3. A steep sided gully carved out by a river flowing through a rainless region






4. Trees or shrubs that thrive in salty conditions near the coast line






5. Hard rock column left on the coast line when erosion by wind and water has removed soft surface layers of rock







6. Living growing polyps knit together to create amazing underwater shapes and structures in tropical waters






7. Shallow body of water cut off from the sea by sand banks, rocks or shapes






8. Lines drawn on a map to connect places of equal height above sea level






9. Natural underground space created by weathering, erosion or other geological process






10. A large floating mass of ice, part of a clacier that has broken off and fallen into the sea.






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