Adsense is a great way of making money,you simply install the code on as many website as you want drive some traffic to it and your in the business.

To find out more about adsense and traffic driving methods:

click here ->

you can use the adsense on any blog or site once approved..just dont violate their terms – see here
no adult content etc..

Use it just like you did on your other sites. You don’t need to verify it again — once you’ve been accepted, you can use it on as many sites as you’d like, as long as they meet the Terms of Service (no nudity, etc).