Question 4 (10 points) Erosion by removal of rock debris is exemplified by: a) R

Question

Question 4 (10 points) Erosion by removal of rock debris is exemplified by: a) Runoff that flows quickly into the head of a stream b) A turbulent stream lifting loose sediment from the stream bed c) The formation of V-shaped stream valleys d) A sediment-dense stream chipping pieces of rock away from the stream bed Save Question 5 (10 points) Gradients usually decrease downstream in a major river system True False Save Question 6 (10 points) Alluvium refers to stream deposits, mainly sand and gravel. True False

Explanation / Answer

4.Erosion by removal of rock debris is exemplified by the formation of a V shaped stream valley 5.Gradients usually decrease downstream in a major river system-TRUE 6.Alluvium refers to stream deposits, mainly sand and gravel-TRUE

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