After using the yum install command, you will be prompted for the computer's root password. Type in the root password and press 'Enter'. You will not see the password as you type. The terminal will start giving information about the application, and end with Is this ok [y/N]:.
While some of the compounds in the dirt and rock are the same in most coal, the carbon is combined here and there with hydrogen, oxygen, sulphur, nitrogen, phosporus and just about every other common element in small quantities. Imagine an extremely large net where the knots are carbon atoms.
Nowadays it comes mainly from vehicle emissions rather than heavy coal burning. It can include the following: 1  nitrogen oxides, such as nitrogen dioxide. 2  tropospheric ozone. 3  volatile organic compounds (VOCs). 4  peroxyacyl nitrates (PAN).