Populations of bull sharks are also found in several major rivers, with more than 500 bull sharks thought to be living in the Brisbane River. One was reportedly seen swimming the flooded streets of Brisbane, Queensland, Australia, during the 2010-11 Queensland floods.
exists and is an alternate of . Making the world better, one answer at a time. You could put it through a fine strainer or a piece of mesh so that the sand will fall through and the gravel will stay on top. You could put it through a fine strainer or a piece of mesh so that the sand will fall through and the gravel will stay on top.
First, rocks break up into smaller pieces, until the pieces are grains of sand. Next, wind and moving water carry the sand and mud away. Then the wind or the water may drop the sand and mud in one place. Finally, the sand grains might get stuck together again over time and make new rock.