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lesson 1 2 3 4
Earth
Question | Answer |
---|---|
crust | the most solid layer of the Earth |
lithosphere | the solid layer rock outer layer |
asthenosphere | part of mantle where convection current is |
plate tectonics | theory that states that the lithosphere is broken down into plates that move |
tributary | a stream that joins a large stream |
erosion | wear away |
sediment | rock and solid carried away by water |
flood plain | a low lying area along a river |
meander | a looping bend in a river which erodes the sides of the valley making it wider |
oxbow | horseshoe shaped lakes formed when the river takes a straight course cutting off a meander |