low good / poor / trouble sand has a low alphabet of digests
knowledge is good_nor_bad. low_plasticity_soil_region is fine_grained_soil_region. sand is very_small_rocks. organic_silt_soil_region is low_plasticity_soil_region. toothache is ache. bottom_rot is plant_disease. bottom_rot_fungus is fungus. silt_soil_region is low_plasticity_soil_region. low_sock is sock_cymbal.