2. A landslide is an example of A) river deposition B) glacial scouring C) mass movement D) chemical weathering 3. Unsorted, angular, rough-surfaced cobbles and boulders are found at the base of a cliff. What most likely transported these cobbles and boulders? A) running water C) gravity B) wind D) ocean currents 4. Which quartz sample has probably undergone abrasion in a stream for the longest period of time? A) В) D)

2. A landslide is an example of A) river deposition B) glacial scouring C) mass movement D) chemical weathering 3. Unsorted, angular, rough-surfaced cobbles and boulders are found at the base of a cliff. What most likely transported these cobbles and boulders? A) running water C) gravity B) wind D) ocean currents 4. Which quartz sample has probably undergone abrasion in a stream for the longest period of time? A) В) D)