Answer:
floodplains
alluvial fans
mines
Step-by-step explanation:
A soil aggregate are groups of primary soil particles which bond to one another more tightly than to surrounding soil particles. Soil aggregates has advantages such as beginners stable against rainfall and water movement thereby reducing erosion and releasing individual soil particles when struck with water that can seal the soil surface and clog pores which helps in soil proper soil aeration.
Soil aggregates are common in floodplains,alluvial fans,mines.