a rock from a riverbed and a rock deep from undergroung. one is very smooth, and the other has a very rough edges. explain why each rock was proabley found in that location

Answer 1

Their is something wil called volting magma,it base under the ground so it was as soft as a pap and it alway expose to a place where their is a space or hole allowing the air to flow in and it wil forcefully rush out to move out,so when it reach the hole,it will now forming rocks as it is reaching to that particular hole.So that is how the Rocks form

Answer 2

thanks Moses!