Blogging is the great way to spread your knowledge among all over the world. It will not only cover all the detail parameter of knowledge but it also for spread feeling among peoples.
In the world many of the blogger are exists and they provide great knowledge to the people. It can make money also. There are many way to make money from blogging. If you passionate about writing and your website is highly rank on the google then you should make money from your blog.
Google Adsense is a advertisement network in which they provide you ads code and this ads code place on your blog, when any one click on you placed ads code then google pay you some amount of money.