You can't.
Gaining access to other people's accounts is called hacking, which is illegal. You will be prosecuted by Yahoo and your own government.
On Yahoo!Answers if you ask a Question then you will got different suggestion on that Question from different peoples and you to select best answer and you will get points.But on Wiki Answers,there can be only one answer to a question on Yahoo!Answers,people can improve it.
Yes, I surposse it is quite good. The best part about yahoo is being able to make your own avatars and when you ask or answer a question people will beable to see your custom character!! When you answer a question, the asker will beable to rate your question and comment on it! you can also comment on other peoples answers to your questions! You can rate other peoples answers to other peoples questions!
Yahoo! wrote Yahoo! Answers.
Yahoo answers questions
According to Yahoo Answers,you need to be 13 to become a member of Yahoo Answers.
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.
No, wikianswers is not inferior to yahoo answers.
You can ask or answer questions at yahoo answers at any age,but Yahoo Answers says that you need to be 13 to create a yahoo answers account,same for Facebook,Wiki Answers and many other sites.
No, you must sign up with Yahoo to be able to post or answer a question on Yahoo Answers.
I have no idea :D good luck, i suggest trying Google or Yahoo rather then weird peoples answers.
You need to create a yahoo ID in order to do it.If you have,then click on Get Started on the right side of the yahoo answers page,fill in your yahoo id and password and hence,you have a yahoo answers id.
You simply need a Yahoo Mail ID. Through yahoo mail address you can register and then sign in to yahoo answers.