Some questions (and their answers) are protected - to prevent someone vandalising the contribution. It's done in cases where (for example) a really good, thorough answer has been posted to (perhaps) a sensitive subject. This locks the question, answer and discussion area indefinitely. It's possible to have the protection removed if there is a good reason to do so.
It's a website where people ask questions and other people answer the questions
People post questions on this website because people who know things sign up to answer people's questions.
Because this is a website that answers questions for people who need them ---- You don't HAVE to. Only questions you have no idea what the answer is.
because people answer questions
because people answer questions
people get bored
people made this website because people need other people to answer questions that they don't know the answer to.
No. This is a question & answer website, not a movie site! But there are people who answer all your questions.
To help people with their everyday questions.
because people have questions, and we have answers.
To help people answer life's questions.
A website that people ask questions and answer them.