4. Frequency of Your Period. The frequency of your menstrual cycle is a good indicator of how your health is doing. According to the Mayo Clinic, menstrual flow might occur every 21 to 35 days and last two to seven days, with menstrual cycles shortening and becoming more regular as you age.
Answer 1 Water, Wind, and Humans. Water usually causes rock and soil erosion. Wind is considered a tectonic type of erosion, as the wind can cause rock movement and soil tr â¦ ansfers. Humans also gradually erode away the earth by not very creative land management. (i.e. Farmers) Here is a link for more info: http://www.wisegeek.com/what-causes-erosion.htm _____ Answer 2 windwaterglacial
Erosion will wear away mountains after a long period of time. This will cause mountains to decrease in size and height. Cliffs, beaches and waterfalls can be formed in this waâ¦y through erosion by water. Also, hills can get more rounded after erosion. Soil erosion through deforestation can cause a large area of land previously covered with greenery to disappear and resulting in water pollution as well. Glaciers also contribute by eroding away walls of canyons.