sentences:  If the weight of the particles with a diameter greater than 2 mm is less than 20%, the material will be defined as "earth"; in the opposite case, it is "debris".The classification of a landslide based on its activity is particularly relevant in the evaluation of future events.The recommendations of the WP/WLI (1993) define the concept of activity with reference to the spatial and temporal conditions, defining the state,
  
  the distribution and the style.