Before posting a question u shud check on google , many questions posted are already solved on yahoo answers and other websites.

Question

amistre64 · Answer

static answers can usually be found, but the dynamic interactions that occur in the openstudy environment allow for a more personal fit to a questioners query.  in the off case that they actually want to understand an answer as opposed to simply just getting an answer.

anonymous · Answer

And it looks like Yahoo answers is deleting a lot of the questions that got solved for some reason- The first three questions I googled had been deleted on Yahoo Answers for violating content rules.