Base your answers to questions 45 through 47 on the photograph below and on your knowledge of earth
science. the photograph shows a small waterfall located on the tug hill plateau.
rock fragments that are tumbled and carried over long distances by this stream are most likely becoming
(1) less dense, harder, and smaller
(2) less rounded, jagged, and larger
(3) more dense, angular, and smaller
(4) more rounded, smoother, and smaller