Almost all metals form polycrystals while amorphous single-crystal metals are created synthetically. What this means is that metal crystals are actually many crystals that bonded. This is what polycrystals are and how they are combined with metal crystals.
Picking up sediment and moving it to another area is called a deposit.
In a way, you already answered your question. In Florida if you are under 21, but you have to be at least 16, if you want to apply for my motorcycle license you have to complete an approved Motorcycle Safety Education Course. - this is true.