Which of the Following Statements About the Processes of Stream

Multiple Choice

Which of the following statements about the processes of stream erosion is NOT true?

A) Potholes in bedrock are evidence of stream erosion by dissolution.
B) Hydraulic lifting is erosion by water pressure.
C) Abrasion and hydraulic lifting are more efficient in fast, turbulent streams than in slow ones.
D) Each year, dissolution is responsible for the removal of an estimated 3.5 million metric tons of rock from the continents.