13 at least
Yahoo email account is free to all users of all ages.
When you set up a yahoo account ID you automatically get yahoo email; so by default then you will get (whether you want it or not) yahoo email.
Yes, your Yahoo! email can be used as an alternate email for another account, such as a Gmail account.
Yahoo is an email service provider.
You need a yahoo ID for yahoo answers and in order to get an ID you will automatically get a yahoo email; so by default then you need yahoo email.
It is very easy to obtain a Yahoo email account. You simply need to go to Yahoo's homepage and sign up for a new email address. Yahoo's emails are free and accessible from anywhere.
you can't do it if you delete your account then no more email address
No,you can't.Yahoo Answers is launched by yahoo,so hence,to create a yahoo answers account,you need to have a yahoo account.
probably...13? I have gmail and I thinks its awesome
Yahoo Mail
No
advantage and disadvantage of email commercal