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
Although there are multiple types of causes of landslides, the three that cause most of the damaging landslides around the world are these: Landslides and Water Slope saturation by water is a primary cause of landslides. This effect can occur in the form of intense rainfall, snowmelt, changes in ground-water levels, and water-level changes along coastlines, earth dams, and the banks of lakes, reservoirs, canals, and rivers.