32. occurs A. Metamorphis when land upifts after the weight of glacial ice is re

Question

32. occurs A. Metamorphis when land upifts after the weight of glacial ice is removed by melting B. Crustal rebound C. Vulcanism D. Subduction E. Ocean drowning 33. A(n) A. clastis an ice-transported boulder that was not derived from the underlying bedrock. B. erratic C. nunatak D. esker E. inselberg is formed 34. When outwash sediments surround an isolated, stagnant block of ice. a(n) when the ice block melts. A. arête C. kettle E. drumlin B. horn D. roche moutonnée 35. Sharp bedrock ridges sculpted between two glacially eroded valleys are A. tarns B. cirques C. cairns D. arêtes E. moraines 36. Layers known as are formed in glacial lakes by seasonal variations in deposition of silt, clay, and organic matter A. cross beds B. ripples C. laterites D. varves E. turbidites 37. The upper part of an alpine glacier that moves fastest down a straight valley A. is the whole rigid zone B. is the midline of the glacier, half way across the valley C. are the sides of the glacier, near the valley walls D. is the zone of accumulation E. is the zone of ablation 38. A sinuous landform of sediment deposited by a stream that flowed on top of, within, or beneath a glacier is called a(n) A. kame B. moraine C. esker D. drumlin E. varve

Explanation / Answer

46. B

50 E

53 A

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