Forum Moderators: phranque
No, PR is gained from incoming links, not for content.
>difference between a BLOG and any other resourceful page?<
No real difference actually. A blog is basically a content management system that allows for the page or site to be updated easily.
>Do BLOGS have ****/blog.htm in their address?<
The vast majority don't.
Head over to blogger.com and set up an account(it's free and only takes a minute). It should become clear what blogs are all about once you've done that.