a) State four factors that determine the speed at which ice moves. (b) Explain the following processes of ice erosion (.i) plucking (ii) Abrasion

      

a) State four factors that determine the speed at which ice moves.
b) Explain the following processes of ice erosion.
i) Plucking
ii) Abrasion

  

Answers


william
(a)
-The weight of the ice.
-The thickness of the ice.
-The gradient of the slope.
-Friction of the ice and the surface.

(b)
i Plucking -Ice freezes into a block of rock on the floor /side of the valley.
-As the ice moves, the rock is pulled off/turn away
ii Abrasion Rocks carried by a mass of ice scrap/scratch grind the bed/side of the valley.
steve williams answered the question on December 27, 2017 at 21:54


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