A school librarian has been asked to identify inappropriate Internet usage. Which students would most likely be reported to the principal? Check all that apply.

a student who researches various websites that show how to gamble online
a student who finds a link to a news story about the Ku Klux Klan for a social studies project
a student who visits a special website with step-by-step directions on how to make a bomb
a student who posts jokes online about the cultural heritage of other students
a student who logs onto the school’s social media site to see pictures of classmates