♥.NicoleeDoakk, Go into your blog, click on the title of the blog you would like to edit then click on 'Edit' in the bottom right of your blog, Edit it & then click save. ;Simples!!x. -Hope This Helped x.
If you are referring to a blog entry, Yes! You can edit a blog you published. Just look at the "edit button" and you can make some modifications to your blog entry, to add images, videos and texts.
Some blogs let the person making the comment edit their own comments. Other just allow the owner of the blog to edit comments.
Why not ? .... of course, yes. you can edit it. If you created blog than you can edit also. From, Technology Magazine
Assuming it's a public blog and not an internal company blog anyone will be able to view the blog.
Yes, if you are the owner of the blog.
For blog cover know the cover image size required and get the cropped or re-sized image accordingly. Or directly edit the placing of the existing image within the blog cover edit section.
It is and isn't possible for someone to infect your blog with a virus. It is possible if they know how to edit your blog, using your username and password, so they could just imbed a virus to the webpage, but it isn't possible unless they can directly edit your blog.
On your blogger administrator panel look for a link to the "Drafts" (posts that aren't published yet) and click to edit your post.
Anyone
Depends on the type of the blog such as: blogger.com Jabber.com
anyone can view your blog if they know your url.