Valleys were not the work of giant floods but the slow grinding force of wind and water. Uniform Processes of Change. Lyell's version of geology came to be known as uniformitarianism, because of his fierce insistence that the processes that alter the Earth are uniform through time. Like Hutton, Lyell viewed the history of Earth as being vast and directionless.
The standard long jump runway should be at least 40 meters, or 131  feet in length. The take off board should be at least 1 meter, or 3  feet, and the sand landing area shou â¦ ld be at least 2.75 meters, or  9 feet.
Women's hurdles are 762 mm (30 inches) All hurdles, except at the water jumps are 3.94 meters wide. Water pits are 3.66 meters wide. 70cm in depth -Some examples of drills to start with for hurdles is can-cans over a row of hurdles to gain flexibility and understand where the leg needs to be to get over a hurdle.