Sedimentary: , Sedimentary, Rocks are broken down, Rivers, streams, deserts and valleys, Compaction, Cementation, Deposited or Deposition, Erosion, Layers, Weathering, Metamorphic: , Deep in the Earth, Heat and Pressure, Rock changes, Grains are too small to see, Can look like waves or layering, Igneous: , Igneous, Molten Rock, Volcanic , Lava, Magma, Pumice & Obsidan, Rocks exposed to Earth's Surface , Intrusive rock, Extrusive rock,

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