What are the three types of rock? - Sedimentary, metamorphic and igneous, What is weathering? - The process of desintegration and decomposition of rocks., What is a drainage basin? - It's an area of land drained by a main river and its tributaries., Is a drainage basin an open or closed system? Why? - It's an open system because there are inputs and outputs involved in the system., Name 3 reasons for flooding. - Relief, rock type, soil, vegetation, land use, What are plate tectonics? - Fragments of the Earth's crust., What are the layers of the Earth? - Inner core, outer core, mantle and crust., What are the 2 types of crust? - Continental and oceanic., Name some effects of volcanic eruptions. - Destruction, death, fire, loss of farmland and livestock., Provide an example of physical weathering - Freeze-thaw - onion weathering - biological, What's the difference between soil creep and landslide? - Soil creep is the slowest downhill movement. Landslide is the fastest and occurs after periods of heavy rain or earth movements., Is it possible to predict volcanic eruptions? Why/Why not? - Yes, because there are visible signs that alert people. E.g.: ash, rising temperatures, gas emission., Is it possible to predict earthquakes? - No, but it is possible to establish AREAS in which they are more likely to occur., Name some effects of earthquakes. - Destruction, death, buildings collapsing, fire, diseases., Why do people choose to continue living in their houses, in spite of being near volcanoes? - They can't afford moving, they have a job/friends/family and don't want to leave them behind.,

Geography - Revision

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