In rare cases, as a goologist you might encounter a sedimentary deposit which can bo described as "coarsening upwards" This means that the fnest (ie - malilesi) grains are found at the base of the deposit and overlain by the coarser fle. largen grains. Which of the below machani(ms of depnsilinn can dolver such Finverst" qrading? Astort Adebis flew (such as an undecwater avalanche) A llooding tives Atwer entering a lake.