No
advantage and disadvantage of email commercal
how to add an email to an existing yahoo account
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.
Yahoo is an email service provider.
make another email adress on yahoo or something and make another account
Yahoo email account is free to all users of all ages.
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.
It is not possible to change the primary email address in Yahoo or Google. Sites like Google Account allow the change of the account username to another email address.