In geology, a graded<span> bed is one </span>characterized by<span> a systematic change in grain or clast size from one side of the bed to the other. Most commonly this takes the form of normal grading, with coarser sediments at the base, which grade upward into progressively finer ones.</span>
I think earthquakes or volcanoes.
1.) Out of the choices given, the statement that isn't true about Aborigine culture is that tradition Aborigine societies found agricultural settlements. The correct answer is B.
2.) Aborigines believe that the dream time is the age of creation. The correct answer is B.
