Question
Click on the U-shaped valley.
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{"title":"Cirque","description":"This is the top part of the glacier where it begins forming.","type":"incorrect","color":"#99cc00","code":"[{\"shape\":\"poly\",\"coords\":\"416,55,432,57,447,67,444,75,428,90,412,104,397,107,381,100,365,93,365,83,354,77,369,62,378,56\"}]"}
{"title":"U-shaped valley","description":"","type":"correct","color":"#993300","code":"[{\"shape\":\"poly\",\"coords\":\"185,72,209,68,230,70,248,78,284,93,297,88,307,84,317,91,301,106,289,124,309,140,365,172,339,204,286,204,226,200,204,156,185,100\"}]"}
{"title":"Moraine","description":"This is where boulders, sand, and mud were deposited as the ice melted.","type":"incorrect","color":"#333300","code":"[{\"shape\":\"poly\",\"coords\":\"337,212,377,224,442,251,469,275,469,288,452,294,420,300,394,310,365,319,341,319,290,322,265,324,242,328,209,325,189,320,169,316,153,315,139,308,126,299,96,283,69,261,57,242,55,230,85,219,129,215,162,213,143,188,103,195,56,207,25,223,17,244,31,276,43,299,61,316,90,332,121,337,177,346,222,356,272,358,318,354,365,348,419,334,457,323,494,305,500,280,496,261,466,241,406,217,348,195\"}]"}
{"title":"Choice label","description":"The lake is at the base of the valley, where the moraine forms a dam.","type":"incorrect","color":"#ffffff","code":"[{\"shape\":\"poly\",\"coords\":\"231,205,255,211,302,205,359,223,438,252,444,282,356,312,272,315,226,319,140,306,71,268,59,224,145,205\"}]"}
Source: 2009 Google Image & DigitalGlobe Image USDA Farm service Agency
Correct.
Please try again.
