Because some people don't know the answers to the questions, or just no one has seen it yet. Maybe some don't want to look for any.
Science answers testable questions, some questions are not testable.
Some.
Ok, now ask some questions and we will show you some answers.
If you ask some questions, people will try to give you some answers. However, some questions are not answerable if the question doesn't include enough details.
I found cplusplus-answers.blogspot.com They have a lot of information on questions with answers and some without answers too but it is very helpful
Some questions attract vandalism, when people change good answers to nonsense. Therefore, those answers are 'locked'.
Probably because no one has asked any questions about The Who. If you want some answers about The Who just ask them on Wiki Answers.
Some questions are not real questions, others don't have an answer.
Yes and no, some physics can post questions and answers on the internet but, some don't want to or, can't do it.
some do
Most of the answers on WikiAnswers are not dumb. Most of them are very good answers. Some questions end up with spammers and vandals. That questions may be answered with an dumb answer.
A person can get some questions and answers from the Family Feud game that you can purchase at the store. The questions that are on television are changing all of the time. You will be able to practice with the game.