It's not required, but it looks like most your questions have answers already.
You can't answer answers, because they are already answered. You can only answer questions.
No. The answers to questions are not programmed; the answers come from people that want to give their time to give the answers to questions.
chemical ideas
I would say yes there is but going on wikipedia answers this is not a good source people can enter answers in that are wrong don't take any answers from this website thank you in advance.
answering answers already answered
Here, we can post questions that we already know answers just to spread knowledge. Other people do it to challenge other people to know what they know.
This is bogus, I was looking at this for answers. What is this?
The purpose of a survey is to get answers. So at least ONE must be a required answer!
It was already like this when I arrived
Yes, that is correct.
none of the answers are correct.