In the response of different variations of rain fall. After the results of the run-off of the water and dirt has been measured for each side, the grass side let less dirt out. Thus proving the hypothesis correct. Did you know that there are over one hundred thousand ways to destroy the earth. One of the ways that nature can destroy the earth is by the cause and effect of erosion.
Erosion is the gradually taking away of dirt, soil, or sand by wind or water.
One way that the earth can help is by adding more sand or dirt to the run off edges, or by growing different plants on the muddy hills. The reason that the earth needs to be saved is because the earth might be losing part of the history or national land marks. There are many different ways to try to save the earth. The main thing that people said earlier was erosion. So does tillage.