Why are some questions listed as unanswered?

Answer 1

Not all questions are easily answered. Here are some reasons:

• Nobody really knows, like "Who was the first person to blow their nose?"
• The question is poorly worded or vague and nobody understands what the person wants to know, like "What happens when a client occurred in then I am damaged blood vessel?"
• The question has been answered several times already but the person asking it adds it as a new question instead of merging it with the hundreds of variations of the same question, like "How did World War 1 begin?"
• The question is too broad, like "What are the names of every animal on Earth?"
• The question is a multiple choice question and the choices are not given within the question, like "Which of the following are plants?" (You could ask "Which of the following are plants out of cactus koala sassafras or pin oak?")
• The question is just silly, like "Why do I like the smell of my own farts?"

Answer 2

Questions answered only by a non-expert are still listed as unanswered until there is an expert answer.