WikiAnswers is a good one, but you may consider www.nationalgeographic.com for social studies, and for language arts, your textbooks website howstuffworks.com is really good for information way better than the others
yes there is many of them , such as twitter and wikianswers.
Bio.com is really really good!
WikiAnswers is not really a writing critique site. I have linked some good writing critique sites for you below - also, some Related Questions about how to edit and critique your own work!
Serebii.netGets a 10/5!
no
WikiAnswers does not permit posting phone numbers anywhere on the site. Besides, if they are truly a "good psychic," they'll know you are looking for them and call you.
not spending your time on wikianswers
besides singing i bet she has a really good hobby that nobody knows! you try and find out!
You can try fictionpress.com and sheezyart.com .
It feedback the promote effective to communication on the WikiAnswers is really not help full. wiki answer is really not good
It all depends on what you're willing to pay. Some sites that offer really good running shoes at different prices are http://runningshoes.com/, www.sportsshoes.com/ and www.roadrunnersports.com/.