Does anyone want to shrek find a friend?

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?

To avoid food poisoning, perishable items should not be stored in the refrigerator for more than days.

Mario was conducting research regarding the treatment of aids victims using stem cells. he found a source that was written recently and the author was known. unfortunately, he could not determine if it had been peer reviewed.