Because half the time it is random people like me annswering them.
Not all answers are inadequate. These questions are answered by the public, so some people could just say stupid answers but some are quite adequate
no anyone in the world that can speak English can answer here.
Some questions simply can not be answered. Some questions can only be answered by the person asking them. Some don't have a single, simple answer. The answer is different depending on point of view or the context in which it is asked or what it is referring to.
Some do get posted on Answers.com.
Because some of your questions may not have an answer or we don't know it yet
Because contrary to popular belief, some questions are just plain stupid.
Because some people have no life and think its hilarious to put the stupidest things up..
Yes, some people answer their own questions on the site. As long as a question is answered properly, any answer is valid no matter whether it was your question or not.
Science answers testable questions, some questions are not testable.
You would have to ask the people who make those contributions - they're the ones who type out the questions and answers. Bear in mind, also, that we field questions from a worldwide audience. Some of those contributors may not have as much of a grasp of the English language as a native born English speaker does.
Some.
Ok, now ask some questions and we will show you some answers.