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 is happening all around us. It is constantly changing our landscape and wearing down our mountains. Different things including wind, water, and ice can cause erosion. The following activity will expose students to these various types of erosion and they will observe how it can change the landscape. Materials: Procedure: 1. Expose students to the concept of erosion and the various types: wind, water, ice, etc.