This article helps you troubleshoot battery life issues on your Samsung Galaxy Tab 3 7.0. Try each of these steps to see if it helps your charge last longer. In Sprint Zone browse the Power Usage Dashboard to learn how your current power settings affect battery life. 1  Access Sprint Zone.  Scroll to and tap My Device.
Sinkholes can also form when the land surface is changed. Areas that have a bedrock made of limestone, salt deposits or carbonate rock are most susceptible to erosion and the formation of such holes.
More: Coal Mining Effects on the Environment. Contaminates Ground Water: The minerals from the disturbed earth can seep into ground water and contaminate water ways with chemicals that are hazardous to our health. An example would be Acid Mine Drainage. Acidic water can flow out of abandoned coal mines.