three most trusted:

inquiryhub.org- I trust this site because I know who made it. I is the site for my own school so I know that the stuff on there is all going to be true

sd43.bcln.ca- I trust this site because it is the site where I get my work from so I know that no ads or pop- ups will be there because it is a school site

wikipedia.org- I have gotten a lot of information from wikipedia and I have gotten good reasearch marks for the ideas I took from there. Also I know that the majority of the people who pos thier reasearch to wikipedia are University students and the pages are always sited.