A permission is authorization to perform an operation on a specific object, such as a file. Permissions are granted by owners. If you own an object, you can grant any user or security group permission to do whatever you are authorized to do with it. This includes granting permission to take ownership.
Fracking linked to radioactive river water in Pa. River water in western Pennsylvania has elevated levels of radioactivity, some of it from fluids discharged after fracking for natural gas in the Marcellus Shale area, says a Duke University study Wednesday. Post to Facebook.
Chemicals used in fracking are toxic. Thanks to government loopholes, the oil and gas industry isnât required to disclose the chemicals they use, but research has found that many are known endocrine disruptors and carcinogens. Fracking hurts communities.