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Down: 2) rock formations that are skinny on bottom, and they are thick on top, looking exactly like a mushroom4) the process in which oxygen combines with an element such as iron. The major cause of chemical weathering5) the breakdown of rocks by humans, animals, and plants10) a tall column of rock13) a description of soil. it is based on how much sand, silt, or clay it contains Across: 1) the chemical breakdown of rocks and minerals3) a strangely shaped rock formation, sculpted by water erosion5) the solid, unweathered layer of rock beneath the earths surface6) the process of being dissolved.7) the mechinal breakdown of rocks and minerals8) a colorless, white, or yellowish material used to make a variety of plaster products9) a layer of rock that resists erosion11) a type of physical weathering where buried rock expands as surface rock erodes, causing the buried layer to break off12) plants that are found in their native area, not imported14) a type of physical weathering where water is trapped and repeatedly freezes over and cracks15) the basic ingredints of rocks. minerals form as crystals although sometimes they are too small to see
 

 

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