Benefits of Hydroelectric Power. Hydropower offers an array of benefits over fossil fuels but still faces environmental challenges. Since it is fueled by a large water source, it does not cause air pollution like coal and natural oil. In addition to that, hydroelectric power plants play an essential role in the irrigation of dry agricultural lands. Let us discuss more advantage of hydroelectric power. 1. No use of fuel. The main advantage of hydroelectric power is that no fuel is required during the production process. In other words, hydroelectric power plants make use of water sources to generate electricity .
refreshment. 1  something that refreshes, especially food or drink. 2  refreshments, articles or portions of food or drink, especially for a light meal. 3  the act of refreshing or the state of being refreshed.
Part of the Computing fundamentals glossary: 1) In a computer display, to refresh is to redraw the image information from memory. Computer or television displays have to be refreshed because they don't have the capacity to hold a stable image.t adequate refresh rate levels, a display appears stable, but if a refresh rate is too low a display will flicker and can cause eye strain and headaches. 2) With a Web browser, to refresh (or reload) is to download browser content (such as a Web page or other file) that is already displayed.