Multiple choice Which one of the following sets of types of actions occurs in topography? Deflation, Attrition, Corrosion Attrition, Corrosion, Abrasion Deflation, Abrasion Deflation, Attrition Reveal answer Fill a bubble to check yourself C Correct answer Explanation The question is slightly garbled but refers to aeolian (wind) processes. Deflation is the removal of loose particles by wind, and abrasion is the 'sandblasting' effect of wind-blown particles against rock surfaces.