You need to register your account via Google Plus if you want to be a Google Plus contributor. When you first connect to the site look in the top right corner for "Sign Up". When signing up you need to make sure you do it with a Google account. You will have the options for Facebook, Twitter, and Google Plus.
I would like to think that i am. Since I have become the q and a queen.
You can become a supervisor on Answers by getting into The Initiate's Program (TIP) and completing the assignments given. To qualify for TIP, you have to be a contributor in good standing and not subject to serious disciplinary action.
You just ask or answer a question, and you automatically become a contributor. If you mean how do you get the badge that says "contributor," you have to sign up for the site. Any registered user who hasn't moved on to a different badge will have the contributor badge.
WikiAnswers has no "Contributor of the day"
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Basically just contribute a lot of quality answers, questions, merge, split, re categorize, edit etc. After 500 contributions you can become a Bronze Contributor, after 5,000 you can become a Silver Contributor and so-on and so forth. You can also become a supervisor. The more quality work you do the more you move up in rank.
Ask sensible questions, answer sensible answers, only answer questions if you know the question, and Wikianswers isn't here for jokes and riddles.
You could....... Answer questions with honest answers without copying and pasting. Ask appropriate questions. And edit questions which need editing.
To be a Ruby Contributor, you need 500,000 contributions.
A person can become an Expert contributor in Wikianswers by asking and answering a lot of questions.
There is currently no prize for being a top contributor.