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Author Question: Glaciers flow by _____ when the weight of the overlying ice, firn, and snow causes ice crystals at ... (Read 57 times)

shofmannx20

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on: Aug 7, 2018
Glaciers flow by _____ when the weight of the overlying ice, firn, and snow causes ice crystals at depth to arrange themselves in parallel layers that glide over each other, much like the spreading of a deck of cards.
 a. internal plastic deformation
  b. ablation
 c. basal sliding
 d. icefall
 e. crevassing

Question 2

Icebergs are created _____.
 a. by freezing of sea water
 b. only when a glacier is retreating
  c. by plucking
 d. by calving
 e. by abrasion


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Jody Vaughn

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Reply #1 on: Aug 7, 2018
Answer to Question 1

a

Answer to Question 2

d


shofmannx20

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Reply 2 on: Aug 7, 2018
Gracias!

debra928

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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