:D Crossword
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
 
 
Down: 1) the mechinal breakdown of rocks and minerals4) rock formations that are skinny on bottom, and they are thick on top, looking exactly like a mushroom5) a tall column of rock7) the chemical breakdown of rocks and minerals9) a description of soil. it is based on how much sand, silt, or clay it contains10) the solid, unweathered layer of rock beneath the earths surface13) the process in which oxygen combines with an element such as iron. The major cause of chemical weathering Across: 2) a layer of rock that resists erosion3) plants that are found in their native area, not imported6) the process of being dissolved.8) the breakdown of rocks by humans, animals, and plants11) the basic ingredints of rocks. minerals form as crystals although sometimes they are too small to see12) a strangely shaped rock formation, sculpted by water erosion14) a type of physical weathering where buried rock expands as surface rock erodes, causing the buried layer to break off15) a type of physical weathering where water is trapped and repeatedly freezes over and cracks16) a colorless, white, or yellowish material used to make a variety of plaster products
 

 

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