Answer:
Grain Size
Step-by-step explanation:
Among the four options given in question statement, the correct option is first one, that is Grain size.
Detrital sedimentary rocks or clastic sedimentary rocks are made up of rock pieces that have been battered from already existing rocks. It is the grain of sediments that stick and combine to ultimately form the rock and the size of the grain determines the energy of sedimentary transport