Chapter 1. Plate Tectonics

Question Click on the crust where it is just about to be subducted below the surface.

tNxna64Xx72WCW3uPnqNFmu3lcGE8qIIYXTEZKwy2Wvl0Z7q3VjIIwaaZojj6+lMBWq+iw27YUzivyLd6ZmBCzTyb6hLSryB1PIKaZX1IIzzVTBNX/0+l+NAgH5crk194fic2GcQStZnmVQuujGPa3EadhEfwxZS0PDTsrL8G4s= {"title":"almost subducted","description":"This is the oceanic crust right before it is subducted.","type":"correct","color":"#99cc00","code":"[{\"shape\":\"poly\",\"coords\":\"210,103,217,117,256,107,247,96,225,98,226,98\"}]"} {"title":"water","description":"Incorrect: This is ocean water. The crust is made of rock.","type":"incorrect","color":"#993300","code":"[{\"shape\":\"poly\",\"coords\":\"185,90,201,95,208,100,248,94,280,95,352,94,414,94,465,94,493,91,495,89,530,94,594,96,592,90,492,90,184,91,183,90\"}]"} {"title":"Not subducted","description":"Incorrect: This is oceanic crust that is not yet close to being subducted.","type":"incorrect","color":"#333300","code":"[{\"shape\":\"poly\",\"coords\":\"494,91,525,102,574,102,594,103,594,96,494,91\"},{\"shape\":\"poly\",\"coords\":\"247,96,256,108,479,103,495,87,455,94,247,96\"}]"} {"title":"Already subducted","description":"Incorrect: this is oceanic crust that has already subducted.","type":"incorrect","color":"#000080","code":"[{\"shape\":\"poly\",\"coords\":\"210,102,146,132,124,153,115,171,133,170,146,153,178,133,219,117,214,111\"}]"} {"title":"Mantle","description":"Incorrect: This is the mantle.","type":"incorrect","color":"#333333","code":"[{\"shape\":\"poly\",\"coords\":\"134,170,147,153,191,126,250,109,311,103,482,104,494,88,516,98,533,104,594,104,593,172\"}]"} {"title":"continental","description":"Incorrect: This is continental crust, which cannot subduct.","type":"incorrect","color":"#800000","code":"[{\"shape\":\"poly\",\"coords\":\"210,102,159,125,119,152,115,170,1,172,2,80,11,82,19,70,29,77,52,69,71,79,85,84,92,80,106,89,182,92,201,95,207,99\"}]"}

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