Coal is used to generate electricity as a fuel for combustion by setting it on fire. The fire heats up water. This water produces steam and the pressure turns the turbines. After this the same process continues as does for most electricity generation. There is chemical energy in the coal. As this burns it produces … Read more

Abrasion works like sandpaper. The tiny rocks and sand in rivers gradually scrape of the eroding rock as the water hits it.

That's right. It's easy. All you have to do is just call 07973 100 150 or 07973 100 450 from your land-line. I blocked mine by inputting a code, **04*0000*0000*0000#  , when I didn't need to (DON'T INPUT THIS CODE!)..(it was suggested on a website for sony ericsson tricks and tips, to access data on … Read more