• Define erosion
  • Define abrasion(corrasion)
  • What does the effectiveness of abrasion depend on?
  • Abrasion increases as...?
  • Define attrition
  • Define Hydraulic action
  • Define cavitation
  • Define corrosion/solution
  • What are the key factors controlling the rate of corrosion?
  • When do maximum rates of corrosion occur?
  • Name and explain the main factors affecting the rates of erosion
  • For a river’s transportation define traction
  • For a river’s transportation define saltation
  • For a river’s transportation define suspension
  • For a river’s transportation define solution
  • What is meant by the capacity of a stream?
  • What is meant by the competence of a stream?
  • Define deposition
  • What causes the deposition of a river
  • What does the hjulstrom curve show?